[MM-53102] Add support for multi-word highlights without notifications in web (#24050)

- Adds a new section under settings/notifications for adding custom multi-word keywords that get highlighted without notification
- Adds a new classname for highlighting words although the styling is the same as mentions highlights
- Added a few components to the ReduxFromProps pattern
- Adds supported type for the hook of PluginComponent type
- Add upsell for highlight without notification
- Moved 'setting_item.tsx' to the components folder
- Improved prop names and function structure for setting_item, setting_item_max and setting_item_min
- Moved 'toggle_modal_button.tsx' to the components folder
- Removed t and utility messages from a few components
- Fixed bug where the tooltip was not getting rendered on restrictedButtons
- Improved the mobile view of the settings modal
- Adds E2E for the feature

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

@@ -48,7 +48,7 @@ describe('Auto Response In DMs', () => {
         // # Open 'Settings' modal and view 'Notifications'
         cy.uiOpenSettingsModal().within(() => {
             // # Click on 'Edit' for 'Automatic Direct Message Replies
-            cy.get('#auto-responderEdit').should('be.visible').click();
+            cy.get('#auto-responderEdit').should('exist').scrollIntoView().and('be.visible').click();
 
             // # Click on 'Enabled' checkbox
             cy.get('#autoResponderActive').should('be.visible').click();