fix: moved contribution popup to the main thread (#2408)

Stats/Supporting Files/Info.plist

@@ -17,7 +17,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>$(MARKETING_VERSION)</string>
 	<key>CFBundleVersion</key>
-	<string>676</string>
+	<string>677</string>
 	<key>Description</key>
 	<string>Simple macOS system monitor in your menu bar</string>
 	<key>LSApplicationCategoryType</key>

Stats/helpers.swift

@@ -99,7 +99,9 @@ extension AppDelegate {
         self.supportActivity.interval = 60 * 60 * 24 * 30
         self.supportActivity.repeats = true
         self.supportActivity.schedule { (completion: @escaping NSBackgroundActivityScheduler.CompletionHandler) in
-            self.checkIfShouldShowSupportWindow()
+            DispatchQueue.main.async {
+                self.checkIfShouldShowSupportWindow()
+            }
             completion(NSBackgroundActivityScheduler.Result.finished)
         }