Initial version of the new search interface (#27301)

* Initial version of the new search interface

* Fixing CI

* style tweaks

* tweaks to date picker in search

* change search input to button

* Addressing a lot of small problems

* Addressing current search visualization

* Fixing problem on filter autocompletion

* Adding some more fixes

* Tiny style ajustment

* Removing unnecessary slice call

* Adding search extensibility

* Improving the extensibility

* Fixing and refactoring a bit

* On clear click, clear the current search

* splitting components for simplicity

* tweaks to file ext search

* Addressing PR review comments and adding color to the extensions search icons

* Improving a bit the extension search

* Fixing CI

* Fixing some bugs

* Keep the focus on search input whenever we change the search type

* Adding SearchHint tests

* Adding search_box_type_selector tests

* Adding tests for the SearchBox component

* Adding tests for search box suggestions

* Adding SearchBoxInput tests

* Splitting extension suggestion component and provider

* ExtensionSuggestion tests

* Removing unneeded property

* Adding SearchBoxhints tests

* Adding tests for NewSearch component

* Adding tests for the extension suggestion provider

* Fixing linter errors

* Fixing tests

* Fixing linter errors

* Fixing linter errors

* Adding license check for plugins

* Addressing PR review comments

* Addressing PR review comments

* Addressing PR review comments

* Fixing tests

* Fixing some cypress tests

* More work around cypress tests for search

* Some accessibility changes

* more work on cypress tests

* fixing more cypress tests

* Fixing linter errors

* Fixing tests

* Fixing ctrl+f6 switching

* Fixing scrolling on small windows wheneve you are searching

* Improve editing in the middle of the search text

* Addressing some PR review comments

* Addressing some PR review comments

* Addressing some PR review comments

* Addressing some PR review comments

* Fixing tests and linter errors

* Fixingls tests and linter errors

* Fix type checks

* Clearer logic to render plugin or builtin suggestion

* Addressing PR review changes

* Addressing PR review changes

* Using selectors for plugin components

* Changing uppercase to lowercase on lists of components

* Updating tests

* Updating snapshots

* minor css tweaks

* minor css tweak

* Adding the search type and the clear button

* Fixing problem with the filetype selector

* fixing linter errors

* Some fixes

* More linter fixes

* Reverting prettier auto-formating

* Fixing CI

* Fixing CI

* Fixing chrome problem

* Fixing CI

* Addressing PR review comments

---------

Co-authored-by: Matthew Birtch <mattbirtch@gmail.com>
Co-authored-by: Christopher Speller <crspeller@gmail.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/cypress/tests/integration/channels/enterprise/accessibility/accessibility_input_fields_spec.ts

@@ -78,15 +78,18 @@ describe('Verify Accessibility Support in different input fields', () => {
             });
         }
 
+        cy.uiGetSearchContainer().click();
+
         // * Verify Accessibility support in search input
-        cy.get('#searchBox').should('have.attr', 'aria-describedby', 'searchbar-help-popup').and('have.attr', 'aria-label', 'Search').focus();
-        cy.get('#searchbar-help-popup').should('be.visible').and('have.attr', 'role', 'tooltip');
+        cy.uiGetSearchBox().should('have.attr', 'aria-describedby', 'searchHints').and('have.attr', 'aria-label', 'Search');
+        cy.uiGetSearchBox().find('input').focus();
+        cy.get('#searchHints').should('be.visible');
 
         // # Ensure User list is cached once in UI
-        cy.get('#searchBox').type('from:').wait(TIMEOUTS.FIVE_SEC);
+        cy.uiGetSearchBox().find('input').type('from:').wait(TIMEOUTS.FIVE_SEC);
 
         // # Trigger the user autocomplete again
-        cy.get('#searchBox').clear().type('from:').wait(TIMEOUTS.FIVE_SEC).type('{downarrow}{downarrow}');
+        cy.uiGetSearchBox().find('input').clear().type('from:').wait(TIMEOUTS.FIVE_SEC).type('{downarrow}{downarrow}');
 
         // * Verify Accessibility Support in search autocomplete
         verifySearchAutocomplete(2);
@@ -100,10 +103,10 @@ describe('Verify Accessibility Support in different input fields', () => {
         verifySearchAutocomplete(3);
 
         // # Type the in: filter and ensure channel list is cached once
-        cy.get('#searchBox').clear().type('in:').wait(TIMEOUTS.FIVE_SEC);
+        cy.uiGetSearchBox().find('input').clear().type('in:').wait(TIMEOUTS.FIVE_SEC);
 
         // # Trigger the channel autocomplete again
-        cy.get('#searchBox').clear().type('in:').wait(TIMEOUTS.FIVE_SEC).type('{downarrow}{downarrow}');
+        cy.uiGetSearchBox().find('input').clear().type('in:').wait(TIMEOUTS.FIVE_SEC).type('{downarrow}{downarrow}');
 
         // * Verify Accessibility Support in search autocomplete
         verifySearchAutocomplete(2, 'channel');
@@ -287,7 +290,7 @@ function getUserMentionAriaLabel(displayName) {
 }
 
 function verifySearchAutocomplete(index, type = 'user') {
-    cy.get('#search-autocomplete__popover').find('.suggestion-list__item').eq(index).should('be.visible').and('have.class', 'suggestion--selected').within((el) => {
+    cy.uiGetSearchBox().find('.suggestion-list__item').eq(index).should('be.visible').and('have.class', 'suggestion--selected').within((el) => {
         if (type === 'user') {
             cy.get('.suggestion-list__ellipsis').invoke('text').then((text) => {
                 const usernameLength = 12;