[client] tree: restore unrelated working changes

Restore client and test files that were already staged when the OBS
cadence commit was created. Keep that work out of the scheduler series
while leaving its working-tree contents untouched.

client/src/main.h

@@ -301,18 +301,9 @@ struct CursorState
   /* true if a pointer exit is waiting for confinement to release */
   bool exit;
 
-  /* true if a surface exit is waiting for a pointer leave */
-  bool exitWait;
-
-  /* true if confinement is being restored after a failed exit */
-  bool exitRetry;
-
   /* the local pointer exit target */
   struct DoublePoint exitPos;
 
-  /* input retained while confinement is restored */
-  struct DoublePoint exitDelta;
-
   /* true if the guest should be realigned to the host when next drawn */
   bool realign;