DAP: Add CMake debug to the debug panel

This commit introduces the capability to initiate
CMake Debug sessions directly from the debug panel
in the QtCretor.

Change-Id: I00245e0e14aded378e881c4049cdc41dd1fbd00e
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: hjk <hjk@qt.io>

src/plugins/cmakeprojectmanager/cmakebuildsystem.h

@@ -40,6 +40,7 @@ public:
     ~CMakeBuildSystem() final;
 
     void triggerParsing() final;
+    void requestDebugging() final;
 
     bool supportsAction(ProjectExplorer::Node *context,
                         ProjectExplorer::ProjectAction action,
@@ -143,6 +144,7 @@ private:
         = (1 << 1), // Force initial configuration arguments to cmake
         REPARSE_FORCE_EXTRA_CONFIGURATION = (1 << 2), // Force extra configuration arguments to cmake
         REPARSE_URGENT = (1 << 3),                    // Do not delay the parser run by 1s
+        REPARSE_DEBUG = (1 << 4),                    // Start with debugging
     };
     void reparse(int reparseParameters);
     QString reparseParametersString(int reparseFlags);