Chip away at swift 6

Author: STREGA

Sources/GateEngine/UI/GestureRecognizers/RotateGestureRecognizer.swift

@@ -18,6 +18,7 @@ final public class RotateGestureRecognizer: GestureRecognizer {
     private var oldTouches: Set<Touch> = []
 
     public override init(recognizedSources: GestureRecognizer.Sources = .all) {
+        self.oldTouches = []
         super.init(recognizedSources: recognizedSources)
     }