Prevent nav swipes from starting inside toolbars

Gemini-iOS/BrowserNavigationController.swift

@@ -169,6 +169,13 @@ class BrowserNavigationController: UIViewController {
         
         switch recognizer.state {
         case .began:
+            // swipe gestures cannot begin in navbar/toolbar bounds
+            let min = view.convert(navBarView.bounds, from: navBarView).maxY
+            let max = view.convert(toolbarView.bounds, from: toolbarView).minY
+            if toolbarOffset == 0 && (location.y < min || location.y > max) {
+                return
+            }
+            
             if location.x < startEdgeNavigationSwipeDistance && velocity.x > 0 && navigator.backStack.count > 0 {
                 let older = backBrowserVCs.last ?? BrowserWebViewController(navigator: navigator, url: navigator.backStack.last!)
                 embedChild(older, in: browserContainer)