Standardize active/paused functions

Marlin/src/feature/pause.cpp

@@ -381,7 +381,7 @@ bool unload_filament(const float &unload_length, const bool show_lcd/*=false*/,
  * - Park the nozzle at the given position
  * - Call unload_filament (if a length was specified)
  *
- * Returns 'true' if pause was completed, 'false' for abort
+ * Return 'true' if pause was completed, 'false' for abort
  */
 uint8_t did_pause_print = 0;
 
@@ -603,7 +603,7 @@ void wait_for_confirmation(const bool is_reload/*=false*/, const int8_t max_beep
 /**
  * Resume or Start print procedure
  *
- * - Abort if not paused
+ * - If not paused, do nothing and return
  * - Reset heater idle timers
  * - Load filament if specified, but only if:
  *   - a nozzle timed out, or

Marlin/src/feature/runout.h

@@ -98,7 +98,7 @@ class TFilamentMonitor : public FilamentMonitorBase {
 
     // Give the response a chance to update its counter.
     static inline void run() {
-      if (enabled && !filament_ran_out && (IS_SD_PRINTING() || print_job_timer.isRunning()
+      if (enabled && !filament_ran_out && (printingIsActive()
         #if ENABLED(ADVANCED_PAUSE_FEATURE)
           || did_pause_print
         #endif