MM-49869 - add channels button lhs sidebar (#22701)

webapp/channels/src/selectors/views/add_channel_dropdown.ts

@@ -6,3 +6,7 @@ import {GlobalState} from 'types/store';
 export function isAddChannelDropdownOpen(state: GlobalState) {
     return state.views.addChannelDropdown.isOpen;
 }
+
+export function isAddChannelCtaDropdownOpen(state: GlobalState) {
+    return state.views.addChannelCtaDropdown.isOpen;
+}