X7 : fix calibration interuption (#4835)

* Fix 4833

* Less worse fix ?

* Trying something else

radio/src/gui/128x64/navigation.cpp

@@ -575,7 +575,7 @@ void check(event_t event, uint8_t curr, const MenuHandlerFunc * menuTab, uint8_t
         }
         break;
 #endif
-        
+
       case EVT_KEY_LONG(KEY_PAGE):
         if (curr > 0)
           cc = curr - 1;
@@ -833,7 +833,7 @@ void check(event_t event, uint8_t curr, const MenuHandlerFunc *menuTab, uint8_t
 
   if (menuTab) {
     uint8_t attr = 0;
-    
+
     if (l_posVert==0 && !menuCalibrationState) {
       attr = INVERS;
 
@@ -1007,7 +1007,7 @@ void check(event_t event, uint8_t curr, const MenuHandlerFunc *menuTab, uint8_t
       INC(l_posHorz, 0, maxcol);
       break;
 #endif
-  
+
 #if !defined(PCBX7)
     case EVT_KEY_REPT(KEY_DOWN):
       if (!IS_ROTARY_RIGHT(event) && l_posVert==maxrow) break;

radio/src/gui/128x64/radio_calibration.cpp

@@ -2,7 +2,7 @@
  * Copyright (C) OpenTX
  *
  * Based on code named
- *   th9x - http://code.google.com/p/th9x 
+ *   th9x - http://code.google.com/p/th9x
  *   er9x - http://code.google.com/p/er9x
  *   gruvin9x - http://code.google.com/p/gruvin9x
  *
@@ -49,6 +49,7 @@ void menuCommonCalib(event_t event)
   switch (event)
   {
     case EVT_ENTRY:
+    case EVT_KEY_BREAK(KEY_EXIT):
       reusableBuffer.calib.state = CALIB_START;
       break;
 
@@ -111,13 +112,11 @@ void menuCommonCalib(event_t event)
 void menuRadioCalibration(event_t event)
 {
   check_simple(event, MENU_RADIO_CALIBRATION, menuTabGeneral, DIM(menuTabGeneral), 0);
-
+  TITLE(STR_MENUCALIBRATION);
+  menuCommonCalib(READ_ONLY() ? 0 : event);
   if (menuEvent) {
     menuCalibrationState = CALIB_START;
   }
-
-  TITLE(STR_MENUCALIBRATION);
-  menuCommonCalib(READ_ONLY() ? 0 : event);
 }
 
 void menuFirstCalib(event_t event)