[MM-61647][MM-61651]: Upgraded react-select to v5 (#30070)

* [MM-61647]: Upgraded react-select to v5
- Updated old type definitions with new v5 packaged type definitions.
- Removed some unused props
- Updated onBlur, onFocus and handleInputChange methods in user_input_email component

* Fix incorrect usage of handleInputChange in ChannelsInput

* Remove type assertions from dropdown_input_hybrid.tsx

* Simplify typing of users_emails_input.tsx

* [MM-61647][MM-61651]: Fixed some type definitions and e2e failing test case

* [MM-61647][MM-61651]: Fixed type error in dropdown_input_hybrid

* [MM-61647][MM-61651]: Fixed failing CI type error and e2e test cases

* [MM-61647][MM-61651]: Fixed failing e2e test case

* [MM-61647][MM-61651]: Updated the styles and reverted the test case changes
- Fixed the theme not getting correctly inherited
- Fixed the timezone and language settings getting saved on enter

---------

Co-authored-by: Harrison Healey <harrisonmhealey@gmail.com>
Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/cypress/tests/integration/channels/messaging/dm_list_of_users_spec.js

@@ -44,7 +44,7 @@ describe('Messaging', () => {
 
             // # Search for the deactivated user
             cy.findByRole('dialog', {name: 'Direct Messages'}).should('be.visible').wait(TIMEOUTS.ONE_SEC);
-            cy.findByRole('textbox', {name: 'Search for people'}).typeWithForce(deactivatedUser.email);
+            cy.findByRole('combobox', {name: 'Search for people'}).typeWithForce(deactivatedUser.email);
 
             // * Verify that the inactive user is not found
             cy.get('.no-channel-message').should('be.visible').and('contain', 'No results found matching');

e2e-tests/cypress/tests/integration/channels/messaging/header_not_cloud_spec.js

@@ -51,7 +51,7 @@ describe('Header', () => {
         // # Open a DM with the bot
         cy.uiAddDirectMessage().click().wait(TIMEOUTS.ONE_SEC);
         cy.findByRole('dialog', {name: 'Direct Messages'}).should('be.visible').wait(TIMEOUTS.ONE_SEC);
-        cy.findByRole('textbox', {name: 'Search for people'}).
+        cy.findByRole('combobox', {name: 'Search for people'}).
             typeWithForce('matterpoll').wait(TIMEOUTS.ONE_SEC).
             typeWithForce('{enter}');
         cy.get('#selectItems').contains('matterpoll');