Enhance the Preloading Precedure and Fixed the issue to throw InvalideOperationExcept...

Enhance the Preloading Precedure and Fixed the issue to throw InvalideOperationException if SetFlags is called (#240)

* Enhance the Preloading Precedure and Fixed the
issue to throw InvalideOperationException if SetFlags is called

* [HR] register sourceinfo before triggering change (#10933)

- fixes #10803

* [Tizen] Enhance the Page.ToolbarItem (#11015)

* [Tizen] Fix initialize of Device Independent Pixel option (#435)

* [Tizen] Ensure the update of color after theme style changing (#436)

* Enhance the Page renderer (#324)

* Change the file mode