Docker: mount python dumpers to device

Change-Id: Ic0d67b4a18247439f5797a0dcf74df945ef6f61e
Reviewed-by: hjk <hjk@qt.io>

src/plugins/debugger/debuggerruncontrol.cpp

@@ -946,6 +946,8 @@ DebuggerRunTool::DebuggerRunTool(RunControl *runControl, AllowTerminal allowTerm
             m_engine = createPdbEngine();
         }
     }
+
+    m_runParameters.dumperPath = Core::ICore::resourcePath("debugger/");
 }
 
 void DebuggerRunTool::startRunControl()