Migrate profile popover from class to functional component (#25608)

* Migrate profile popover from class to functional component

* Fix lint

* Fix tests and minor fixes

* Address feedback

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

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

@@ -20,7 +20,7 @@ import {isDateWithinDaysRange, TimeInformation} from 'utils/utils';
 
 import type {GlobalState} from 'types/store';
 
-export function makeGetCustomStatus(): (state: GlobalState, userID?: string) => UserCustomStatus {
+export function makeGetCustomStatus(): (state: GlobalState, userID?: string) => UserCustomStatus | undefined {
     return createSelector(
         'makeGetCustomStatus',
         (state: GlobalState, userID?: string) => (userID ? getUser(state, userID) : getCurrentUser(state)),