IDE: Add a dedicated button for LclWidgetType macro in "Additions and Overrides" page.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45086 4005530d-fff6-0310-9dd1-cebe43e6787f
IDE: resource string formatting.

git-svn-id: http://svn.freepascal.org/svn/lazarus/trunk@45087 4005530d-fff6-0310-9dd1-cebe43e6787f