Refinement to last checkin: only clear function latch without beep for PTT, not for open squelch.

openrtx/src/ui/ui.c

@@ -2072,7 +2072,8 @@ void ui_updateFSM(bool *sync_rtx)
 
         if (txOngoing || rtx_rxSquelchOpen())
         {
-            functionLatchTimer=0; // cancel the latch timer without beeping.
+            if (txOngoing)
+                functionLatchTimer=0; // cancel the latch timer without beeping.
             _ui_exitStandby(now);
             return;
         }