[MM-58355] Send invalidate cache message across the cluster so that websocket connections on other instances are invalidated correctly (#27204)

* [MM-58355] Send invalidate cache message across the cluster so that websocket connections on other instances are invalidated correctly

* Add suggestion to clear the session cache on the local node as well

* Force read from master DB when gettting channel members for websocket to avoid any DB sync issues

* PR feedback

* Missed generated files

server/channels/app/authorization_test.go

@@ -152,7 +152,7 @@ func TestSessionHasPermissionToChannel(t *testing.T) {
 
 		mockChannelStore := mocks.ChannelStore{}
 		mockChannelStore.On("Get", mock.Anything, mock.Anything).Return(nil, fmt.Errorf("arbitrary error"))
-		mockChannelStore.On("GetAllChannelMembersForUser", mock.Anything, mock.Anything, mock.Anything).Return(th.App.Srv().Store().Channel().GetAllChannelMembersForUser(th.BasicUser.Id, false, false))
+		mockChannelStore.On("GetAllChannelMembersForUser", mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(th.App.Srv().Store().Channel().GetAllChannelMembersForUser(th.Context, th.BasicUser.Id, false, false))
 		mockChannelStore.On("ClearCaches").Return()
 		mockStore.On("Channel").Return(&mockChannelStore)
 		mockStore.On("FileInfo").Return(th.App.Srv().Store().FileInfo())
@@ -214,7 +214,7 @@ func TestSessionHasPermissionToChannels(t *testing.T) {
 		mockStore := mocks.Store{}
 		mockChannelStore := mocks.ChannelStore{}
 		mockChannelStore.On("Get", mock.Anything, mock.Anything).Return(nil, fmt.Errorf("arbitrary error"))
-		mockChannelStore.On("GetAllChannelMembersForUser", mock.Anything, mock.Anything, mock.Anything).Return(th.App.Srv().Store().Channel().GetAllChannelMembersForUser(th.BasicUser.Id, false, false))
+		mockChannelStore.On("GetAllChannelMembersForUser", mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(th.App.Srv().Store().Channel().GetAllChannelMembersForUser(th.Context, th.BasicUser.Id, false, false))
 		mockChannelStore.On("ClearCaches").Return()
 		mockStore.On("Channel").Return(&mockChannelStore)
 		mockStore.On("FileInfo").Return(th.App.Srv().Store().FileInfo())