Disallow interrupting the panel interaction while bouncing over the m…

…ost expanded state (#652)

I decided to disallow interrupting panel interactions while bouncing over the most expanded state in order to fix the 2nd issue in #633, #633 (comment).

Sources/Core.swift

@@ -561,7 +561,7 @@ class Core: NSObject, UIGestureRecognizerDelegate {
     }
 
     private func interruptAnimationIfNeeded() {
-        if let animator = self.moveAnimator, animator.isRunning {
+        if let animator = self.moveAnimator, animator.isRunning, 0 <= layoutAdapter.offsetFromMostExpandedAnchor {
             os_log(msg, log: devLog, type: .debug, "the attraction animator interrupted!!!")
             animator.stopAnimation(true)
             endAttraction(false)