Fix building error 'did_pause_print' not declared in the scope

[bg-master]

Description

The build failed due to 'did_pause_print' not declared in the scope in runout.h

In file included from Marlin\src\feature\runout.cpp:31:0:
Marlin\src\feature\runout.h: In static member function 'static void TFilamentMonitor<RESPONSE_T, SENSOR_T>::run()':
Marlin\src\feature\runout.h:121:66: error: 'did_pause_print' was not declared in this scope
       if (enabled && !filament_ran_out && (printingIsActive() || did_pause_print)) {
                                                                  ^~~~~~~~~~~~~~~
In file included from Marlin\src\feature\runout.cpp:31:0:
Marlin\src\feature\runout.h: In static member function 'static void RunoutResponseDelayed::block_completed(const block_t*)':
Marlin\src\feature\runout.h:344:55: error: 'did_pause_print' was not declared in this scope
         if (b->steps.x || b->steps.y || b->steps.z || did_pause_print) { // Allow pause purge move to re-trigger runout state
                                                       ^~~~~~~~~~~~~~~
*** [.pio\build\mks_robin_nano35\src\src\feature\runout.cpp.o] Error 1

[kad]

Verified, works in my configs combination that I mentioned in #20832 (comment)