Debugger: Add Run to/Jump to Line to text editor context menu.

Remove actions from debugger plugin as they are not directly usable.
Create additional actions in context menu.

Move some code around to find the current editor.

src/plugins/debugger/stackhandler.cpp

@@ -238,5 +238,6 @@ bool StackHandler::isDebuggingDebuggingHelpers() const
     return false;
 }
 
+
 } // namespace Internal
 } // namespace Debugger