Localization: macOS: Fix localization for 'Edit' button

Signed-off-by: Roopesh Chander <roop@roopc.net>

WireGuard/WireGuard/Base.lproj/Localizable.strings

@@ -349,6 +349,8 @@
 
 "macButtonDeleteTunnels (%d)" = "Delete %d tunnels";
 
+"macButtonEdit" = "Edit";
+
 // Mac detail/edit view fields
 
 "macFieldKey (%@)" = "%@:";

WireGuard/WireGuard/UI/macOS/ViewController/TunnelDetailTableViewController.swift

@@ -60,7 +60,7 @@ class TunnelDetailTableViewController: NSViewController {
 
     let editButton: NSButton = {
         let button = NSButton()
-        button.title = tr("Edit")
+        button.title = tr("macButtonEdit")
         button.setButtonType(.momentaryPushIn)
         button.bezelStyle = .rounded
         button.toolTip = tr("macToolTipEditTunnel")