Merge pull request #4682 from 3d-gussner/MK3_3.14.0_add-workaround-fo…

…r-tune-button

Mk3 3.14.0 add workaround for tune button

Firmware/mmu2_reporting.cpp

@@ -464,6 +464,15 @@ void tuneIdlerStallguardThresholdMenu() {
 }
 
 void tuneIdlerStallguardThreshold() {
+    if ((CommandInProgress)mmu2.GetCommandInProgress() != NoCommand)
+    {
+        // Workaround to mitigate an issue where the Tune menu doesn't
+        // work if the MMU is running a command. For example the Idler
+        // homing fails during toolchange.
+        // To save the print, make the Tune button unresponsive for now.
+        return;
+    }
+
     putErrorScreenToSleep = true;
     menu_submenu(tuneIdlerStallguardThresholdMenu);
 }