MM-53813: Fix(accessibility): on channels page (#24122)

* fix(accessibility): on channels page

* fix lint and update dynamic-virtualized-list

* fix snapshot and update per feedback

* fix e2e tests

* fix test

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

e2e-tests/cypress/tests/integration/channels/keyboard_shortcuts/ctrl_cmd_shift_l_does_not_change_focus_to_msgbox_spec.js

@@ -32,7 +32,7 @@ describe('Keyboard Shortcuts', () => {
         cy.uiClose();
 
         // # Open invite members full-page screen
-        cy.get('#introTextInvite').click();
+        cy.findByLabelText('Invite Users').click();
 
         // # Press ctrl/cmd+shift+l
         cy.get('body').cmdOrCtrlShortcut('{shift+l}');