Reduce CPU overhead by allowing components to disable their loop() (#9089)

esphome/components/safe_mode/safe_mode.cpp

@@ -42,6 +42,8 @@ void SafeModeComponent::loop() {
     ESP_LOGI(TAG, "Boot seems successful; resetting boot loop counter");
     this->clean_rtc();
     this->boot_successful_ = true;
+    // Disable loop since we no longer need to check
+    this->disable_loop();
   }
 }