tokens: add more modes to initial_workspace_tracking

1 is single-shot, 2 is persistent

fixes #5732

src/desktop/Window.hpp

@@ -14,6 +14,8 @@
 #include "DesktopTypes.hpp"
 #include "../helpers/signal/Signal.hpp"
 
+class CWindow;
+
 enum eIdleInhibitMode {
     IDLEINHIBIT_NONE = 0,
     IDLEINHIBIT_ALWAYS,
@@ -188,6 +190,11 @@ struct SWindowRule {
     std::string szWorkspace   = ""; // empty means any
 };
 
+struct SInitialWorkspaceToken {
+    CWindow* primaryOwner = nullptr;
+    std::string workspace;
+};
+
 class CWindow {
   public:
     CWindow();