feat(profile): move profile timezone from staff to an experiment (#3011)

fluxer_app/src/features/user/utils/ProfileUtils.ts

@@ -2,6 +2,7 @@
 
 import {Profile} from '@app/features/user/models/Profile';
 import type {User} from '@app/features/user/models/User';
+import ProfileTimezoneRollout from '@app/features/user/state/ProfileTimezoneRollout';
 import {ProfileFieldPrivacyFlags, UserPremiumTypes} from '@fluxer/constants/src/UserConstants';
 import {getCurrentTimeZoneOffsetMinutes} from '@fluxer/date_utils/src/TimeZoneUtils';
 
@@ -96,7 +97,7 @@ export function createMockProfile(
 		timezone_offset:
 			options?.previewTimezoneOffset !== undefined
 				? options.previewTimezoneOffset
-				: user.isStaff() && (user.timezonePrivacyFlags ?? ProfileFieldPrivacyFlags.EVERYONE) !== 0
+				: ProfileTimezoneRollout.enabled && (user.timezonePrivacyFlags ?? ProfileFieldPrivacyFlags.EVERYONE) !== 0
 					? getCurrentTimeZoneOffsetMinutes(user.timezone)
 					: null,
 		premium_type: visiblePremiumData.premiumType ?? undefined,