[MM-55285]: Screen reader speaking wrong item in list in Find Channels modal (#29552)

* [MA-11]: Fix Screen reader speaking wrong item in list in Find Channels modal

* [MA-11]: Update types across files

* [MA-11]: Minor refactoring

* [MA-11]: Fix e2e test

* [MA-11]: Fix E2E tests

* [MA-11]: Update role and id

* [MA-11]: Fix playwright tests

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Co-authored-by: Mattermost Build <build@mattermost.com>

e2e-tests/cypress/tests/integration/channels/autocomplete/database/users_in_channel_switcher_spec.ts

@@ -35,7 +35,7 @@ describe('Autocomplete with Database - Users', () => {
 
             // # Open quick channel switcher
             cy.typeCmdOrCtrl().type('k');
-            cy.findByRole('textbox', {name: 'quick switch input'}).should('be.visible');
+            cy.findByRole('combobox', {name: 'quick switch input'}).should('be.visible');
         });
     });