fix(color): Firmware update progress text stuck at device reset (#3704)

* fixes #3695 flash progress

* move init() to where it belongs (constructor)

radio/src/gui/colorlcd/fullscreen_dialog.cpp

@@ -45,6 +45,9 @@ FullScreenDialog::FullScreenDialog(
   Layer::push(this);
 
   bringToTop();
+
+  init();
+
   lv_obj_add_event_cb(lvobj, FullScreenDialog::long_pressed, LV_EVENT_LONG_PRESSED, nullptr);
 }
 
@@ -105,8 +108,6 @@ void FullScreenDialog::init()
 
 void FullScreenDialog::paint(BitmapBuffer * dc)
 {
-  init();
-
   OpenTxTheme::instance()->drawBackground(dc);
 
   dc->drawFilledRect(0, ALERT_FRAME_TOP, LCD_W, ALERT_FRAME_HEIGHT, SOLID,
@@ -175,6 +176,11 @@ void FullScreenDialog::deleteLater(bool detach, bool trash)
   }
 }
 
+void FullScreenDialog::setMessage(std::string text)
+{
+  messageLabel->setText(text);
+}
+
 static void run_ui_manually()
 {
   checkBacklight();

radio/src/gui/colorlcd/fullscreen_dialog.h

@@ -48,11 +48,7 @@ class FullScreenDialog : public Window
     }
 #endif
 
-    void setMessage(std::string text)
-    {
-      message = std::move(text);
-      invalidate();
-    }
+    void setMessage(std::string text);
 
     void paint(BitmapBuffer * dc) override;