Cleanup app feedback window on close.

Clocker/Panel/ParentPanelController.swift

@@ -37,7 +37,7 @@ class ParentPanelController: NSWindowController {
 
     var datasource: TimezoneDataSource?
 
-    private lazy var feedbackWindow = AppFeedbackWindowController.shared()
+    private var feedbackWindow: AppFeedbackWindowController?
 
     private var notePopover: NotesPopover?
 
@@ -890,9 +890,9 @@ class ParentPanelController: NSWindowController {
         } else if sender.title == PanelConstants.yesWithQuestionMark {
             ReviewController.prompted()
             updateReviewView()
-
             feedbackWindow = AppFeedbackWindowController.shared()
-            feedbackWindow.showWindow(nil)
+            feedbackWindow?.appFeedbackWindowDelegate = self
+            feedbackWindow?.showWindow(nil)
             NSApp.activate(ignoringOtherApps: true)
         } else {
             updateReviewView()
@@ -986,7 +986,9 @@ class ParentPanelController: NSWindowController {
     }
 
     @objc func reportIssue() {
-        feedbackWindow.showWindow(nil)
+        feedbackWindow = AppFeedbackWindowController.shared()
+        feedbackWindow?.appFeedbackWindowDelegate = self
+        feedbackWindow?.showWindow(nil)
         NSApp.activate(ignoringOtherApps: true)
         window?.orderOut(nil)
 
@@ -1147,3 +1149,9 @@ extension ParentPanelController: NSSharingServicePickerDelegate {
         return clipboardCopy
     }
 }
+
+extension ParentPanelController: AppFeedbackWindowControllerDelegate {
+    func appFeedbackWindowWillClose() {
+        feedbackWindow = nil
+    }
+}

Clocker/Preferences/About/AboutViewController.swift

@@ -22,7 +22,7 @@ class AboutViewController: ParentViewController {
     @IBOutlet var versionField: NSTextField!
 
     private var themeDidChangeNotification: NSObjectProtocol?
-    private lazy var feedbackWindow = AppFeedbackWindowController.shared()
+    private var feedbackWindow: AppFeedbackWindowController?
 
     override func viewDidLoad() {
         super.viewDidLoad()
@@ -120,7 +120,9 @@ class AboutViewController: ParentViewController {
     }
 
     @IBAction func reportIssue(_: Any) {
-        feedbackWindow.showWindow(nil)
+        feedbackWindow = AppFeedbackWindowController.sharedWindow
+        feedbackWindow?.appFeedbackWindowDelegate = self
+        feedbackWindow?.showWindow(nil)
         NSApp.activate(ignoringOtherApps: true)
         view.window?.orderOut(nil)
 
@@ -150,3 +152,9 @@ class AboutViewController: ParentViewController {
         underlineTextForActionButton()
     }
 }
+
+extension AboutViewController: AppFeedbackWindowControllerDelegate {
+    func appFeedbackWindowWillClose() {
+        feedbackWindow = nil
+    }
+}

Clocker/Preferences/App Feedback/AppFeedbackWindowController.swift

@@ -5,6 +5,10 @@ import CoreLoggerKit
 import CoreModelKit
 import FirebaseDatabase
 
+protocol AppFeedbackWindowControllerDelegate: AnyObject {
+    func appFeedbackWindowWillClose()
+}
+
 extension NSNib.Name {
     static let appFeedbackWindowIdentifier = NSNib.Name("AppFeedbackWindow")
     static let onboardingWindowIdentifier = NSNib.Name("OnboardingWindow")
@@ -36,6 +40,7 @@ class AppFeedbackWindowController: NSWindowController {
     @IBOutlet var progressIndicator: NSProgressIndicator!
 
     @IBOutlet var quickCommentsLabel: PointingHandCursorButton!
+    public weak var appFeedbackWindowDelegate: AppFeedbackWindowControllerDelegate?
     private var themeDidChangeNotification: NSObjectProtocol?
     private var serialNumber: String? {
         let platformExpert = IOServiceGetMatchingService(kIOMasterPortDefault, IOServiceMatching("IOPlatformExpertDevice"))
@@ -307,6 +312,7 @@ extension AppFeedbackWindowController: NSWindowDelegate {
         emailField.stringValue = CLEmptyString
         feedbackTextView.string = CLEmptyString
         isActivityInProgress = false
+        appFeedbackWindowDelegate?.appFeedbackWindowWillClose()
     }
 
     func bringPreferencesWindowToFront() {