[TD]Fix RichText parent in scene (fix #18283) (#18768)

* [TD]allow DrawViewAnno to be attached to another view

* [TD]allow image and spreadsheet attach to view

* [TD]ensure correct parent in scene

* [TD]refactor command helpers to separate file

- gathering the helpers in one place
- helper redundancy to be address in another change

* [TD]create symbol, spreadsheet, image with parent

* [TD]fix claimChildren for some views

- also includes many lint fixes

src/Mod/TechDraw/App/DrawViewImage.cpp

@@ -52,6 +52,8 @@ DrawViewImage::DrawViewImage()
                       "Embedded image file. System use only.");// n/a to end users
     ADD_PROPERTY_TYPE(Width, (100), vgroup, App::Prop_None, "The width of cropped image");
     ADD_PROPERTY_TYPE(Height, (100), vgroup, App::Prop_None, "The height of cropped image");
+    ADD_PROPERTY_TYPE(Owner, (nullptr), vgroup, (App::PropertyType)(App::Prop_None),
+                      "Feature to which this symbol is attached");
 
     ScaleType.setValue("Custom");
     Scale.setStatus(App::Property::Hidden, false);