[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/search_autocomplete/renaming_spec.js

@@ -144,7 +144,7 @@ function searchAndVerifyChannel(channel) {
     cy.typeCmdOrCtrl().type('k');
 
     // # Search for channel's display name
-    cy.findByRole('textbox', {name: 'quick switch input'}).
+    cy.findByRole('combobox', {name: 'quick switch input'}).
         should('be.visible').
         as('input').
         clear().