[Feature] Disable debug on QP's internal task (#20623)

Co-authored-by: Nick Brassel <[email protected]>

quantum/painter/qp_internal.c

@@ -88,9 +88,16 @@ void qp_internal_task(void) {
 #endif
 
     // Flush (render) dirty regions to corresponding displays
+#if !defined(QUANTUM_PAINTER_DEBUG_ENABLE_FLUSH_TASK_OUTPUT)
+    bool old_debug_state = debug_enable;
+    debug_enable         = false;
+#endif // defined(QUANTUM_PAINTER_DEBUG_ENABLE_FLUSH_TASK_OUTPUT)
     for (uint8_t i = 0; i < QP_NUM_DEVICES; i++) {
         if (qp_devices[i] != NULL) {
             qp_flush(qp_devices[i]);
         }
     }
+#if !defined(QUANTUM_PAINTER_DEBUG_ENABLE_FLUSH_TASK_OUTPUT)
+    debug_enable = old_debug_state;
+#endif // defined(QUANTUM_PAINTER_DEBUG_ENABLE_FLUSH_TASK_OUTPUT)
 }