[MM-15301] Migrate "Preference.IsFeatureEnabled" to Sync by default (#10945)

* [MM-15301] Migrate "Preference.IsFeatureEnabled" to Sync by default

* Remove else clause from 'IsFeatureEnabled'

store/storetest/mocks/PreferenceStore.go

@@ -151,19 +151,26 @@ func (_m *PreferenceStore) GetCategory(userId string, category string) (model.Pr
 }
 
 // IsFeatureEnabled provides a mock function with given fields: feature, userId
-func (_m *PreferenceStore) IsFeatureEnabled(feature string, userId string) store.StoreChannel {
+func (_m *PreferenceStore) IsFeatureEnabled(feature string, userId string) (bool, *model.AppError) {
 	ret := _m.Called(feature, userId)
 
-	var r0 store.StoreChannel
-	if rf, ok := ret.Get(0).(func(string, string) store.StoreChannel); ok {
+	var r0 bool
+	if rf, ok := ret.Get(0).(func(string, string) bool); ok {
 		r0 = rf(feature, userId)
 	} else {
-		if ret.Get(0) != nil {
-			r0 = ret.Get(0).(store.StoreChannel)
+		r0 = ret.Get(0).(bool)
+	}
+
+	var r1 *model.AppError
+	if rf, ok := ret.Get(1).(func(string, string) *model.AppError); ok {
+		r1 = rf(feature, userId)
+	} else {
+		if ret.Get(1) != nil {
+			r1 = ret.Get(1).(*model.AppError)
 		}
 	}
 
-	return r0
+	return r0, r1
 }
 
 // PermanentDeleteByUser provides a mock function with given fields: userId