tooltip: Don't dismiss when not owning the dialog
When order of events is enter(A), enter(B), leave(A), A would hide the dialog even though B showed it again. BUG:483390 FIXED-IN:6.1.5
When order of events is enter(A), enter(B), leave(A), A would hide the dialog even though B showed it again. BUG:483390 FIXED-IN:6.1.5