Centralize retained keyboard dialog closing

src/app_dialogs.cpp

@@ -211,8 +211,7 @@ void App::dialog_newdoc()
         };
         dialog->btn_cancel->on_click = [this, dialog](Node*)
         {
-            dialog->destroy();
-            App::I->hideKeyboard();
+            pp::panopainter::close_legacy_dialog_and_hide_keyboard(*this, *dialog);
         };
     };
 
@@ -343,8 +342,7 @@ void App::dialog_save()
         };
         dialog->btn_cancel->on_click = [this, dialog](Node*)
         {
-            dialog->destroy();
-            App::I->hideKeyboard();
+            pp::panopainter::close_legacy_dialog_and_hide_keyboard(*this, *dialog);
         };
 
         (void)pp::panopainter::attach_legacy_overlay_node(*this, dialog);
@@ -464,8 +462,7 @@ void App::dialog_layer_rename()
     };
     dialog->btn_cancel->on_click = [this, dialog](Node*)
     {
-        dialog->destroy();
-        App::I->hideKeyboard();
+        pp::panopainter::close_legacy_dialog_and_hide_keyboard(*this, *dialog);
     };
 }
 

src/legacy_ui_overlay_services.cpp

@@ -34,6 +34,12 @@ void close_legacy_popup_overlay(Node& node) noexcept
     node.destroy();
 }
 
+void close_legacy_dialog_and_hide_keyboard(App& app, Node& node)
+{
+    node.destroy();
+    app.hideKeyboard();
+}
+
 void close_legacy_popup_panel(
     Node& node,
     const std::function<void(Node*)>& on_close)

src/legacy_ui_overlay_services.h

@@ -16,6 +16,7 @@ void initialize_legacy_overlay_node(App& app, Node& node);
 void configure_legacy_popup_overlay(Node& node) noexcept;
 void activate_legacy_popup_overlay(Node& node) noexcept;
 void close_legacy_popup_overlay(Node& node) noexcept;
+void close_legacy_dialog_and_hide_keyboard(App& app, Node& node);
 void close_legacy_popup_panel(
     Node& node,
     const std::function<void(Node*)>& on_close);