MM-56083 Add PatchMultipleMembersNotifyProps plugin API (#25690)

* Add ChannelStore.UpdateMultipleMembersNotifyProps

* Make UpdateMultipleMembersNotifyProps return updated values from the DB

* Add UpdateChannelMembersNotifications plugin API

* Extract i18n

* Fix style

* Make layers

* Change to PatchMultipleMembersNotifyProps

* Add limit to PatchChannelMembersNotifyProps

* Add additional unit tests

* Address feedback

* Lowercase decodeJSON

* Have PatchMultipleMembersNotifyProps update LastUpdateAt

* Fix tests that relied on unreliable return order

* Fix i18n

server/public/plugin/plugintest/api.go

@@ -3226,6 +3226,22 @@ func (_m *API) PatchBot(botUserId string, botPatch *model.BotPatch) (*model.Bot,
 	return r0, r1
 }
 
+// PatchChannelMembersNotifications provides a mock function with given fields: members, notifyProps
+func (_m *API) PatchChannelMembersNotifications(members []*model.ChannelMemberIdentifier, notifyProps map[string]string) *model.AppError {
+	ret := _m.Called(members, notifyProps)
+
+	var r0 *model.AppError
+	if rf, ok := ret.Get(0).(func([]*model.ChannelMemberIdentifier, map[string]string) *model.AppError); ok {
+		r0 = rf(members, notifyProps)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).(*model.AppError)
+		}
+	}
+
+	return r0
+}
+
 // PermanentDeleteBot provides a mock function with given fields: botUserId
 func (_m *API) PermanentDeleteBot(botUserId string) *model.AppError {
 	ret := _m.Called(botUserId)