[PM-1608] Changed safari extension save dialog (#5127)

* PS-1608 - Changed safari extension save dialog

* PM-1608 moved setActivationPolicy to constructor

apps/browser/src/safari/safari/SafariWebExtensionHandler.swift

@@ -8,6 +8,11 @@ let ServiceNameBiometric = ServiceName + "_biometric"
 
 class SafariWebExtensionHandler: NSObject, NSExtensionRequestHandling {
 
+    override init() {
+        super.init();
+        NSApplication.shared.setActivationPolicy(.accessory)
+    }
+
 	func beginRequest(with context: NSExtensionContext) {
         let item = context.inputItems[0] as! NSExtensionItem
         let message = item.userInfo?[SFExtensionMessageKey] as AnyObject?
@@ -54,11 +59,12 @@ class SafariWebExtensionHandler: NSObject, NSExtensionRequestHandling {
             guard let data = blobData else {
                 return
             }
+            
             let panel = NSSavePanel()
-            panel.isFloatingPanel = true
             panel.canCreateDirectories = true
             panel.nameFieldStringValue = dlMsg.fileName
-            panel.begin { response in
+            let response = panel.runModal();
+           
             if response == NSApplication.ModalResponse.OK {
                 if let url = panel.url {
                     do {
@@ -74,7 +80,6 @@ class SafariWebExtensionHandler: NSObject, NSExtensionRequestHandling {
                     }
                 }
             }
-            }
             break
         case "sleep":
             DispatchQueue.main.asyncAfter(deadline: .now() + 10) {