fix(color): Clear edit mode when page closes (#4152)

radio/src/thirdparty/libopenui/src/form.cpp

@@ -72,6 +72,13 @@ void FormField::onCancel()
   }
 }
 
+void FormField::deleteLater(bool detach, bool trash)
+{
+  if (isEditMode())
+    setEditMode(false);
+  Window::deleteLater(detach, trash);
+}
+
 FormWindow::Line::Line(Window* parent, lv_obj_t* obj, FlexGridLayout* layout) :
     Window(parent, obj), layout(layout)
 {

radio/src/thirdparty/libopenui/src/form.h

@@ -45,7 +45,8 @@ class FormField : public Window
 
     void onClicked() override;
     void onCancel() override;
-  
+    void deleteLater(bool detach = true, bool trash = true) override;
+
   protected:
     bool editMode = false;
     bool enabled = true;