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/channels/store/storetest/mocks/ChannelStore.go

@@ -1943,6 +1943,32 @@ func (_m *ChannelStore) MigrateChannelMembers(fromChannelID string, fromUserID s
 	return r0, r1
 }
 
+// PatchMultipleMembersNotifyProps provides a mock function with given fields: members, notifyProps
+func (_m *ChannelStore) PatchMultipleMembersNotifyProps(members []*model.ChannelMemberIdentifier, notifyProps map[string]string) ([]*model.ChannelMember, error) {
+	ret := _m.Called(members, notifyProps)
+
+	var r0 []*model.ChannelMember
+	var r1 error
+	if rf, ok := ret.Get(0).(func([]*model.ChannelMemberIdentifier, map[string]string) ([]*model.ChannelMember, error)); ok {
+		return rf(members, notifyProps)
+	}
+	if rf, ok := ret.Get(0).(func([]*model.ChannelMemberIdentifier, map[string]string) []*model.ChannelMember); ok {
+		r0 = rf(members, notifyProps)
+	} else {
+		if ret.Get(0) != nil {
+			r0 = ret.Get(0).([]*model.ChannelMember)
+		}
+	}
+
+	if rf, ok := ret.Get(1).(func([]*model.ChannelMemberIdentifier, map[string]string) error); ok {
+		r1 = rf(members, notifyProps)
+	} else {
+		r1 = ret.Error(1)
+	}
+
+	return r0, r1
+}
+
 // PermanentDelete provides a mock function with given fields: ctx, channelID
 func (_m *ChannelStore) PermanentDelete(ctx request.CTX, channelID string) error {
 	ret := _m.Called(ctx, channelID)