Better handling of theme updates.

Clocker/Preferences/App Feedback/AppFeedbackWindowController.swift

@@ -257,6 +257,9 @@ class AppFeedbackWindowController: NSWindowController {
         [accessoryInfo].forEach { $0?.textColor = Themer.shared().mainTextColor() }
 
         contactBox.borderColor = Themer.shared().mainTextColor()
+        feedbackTextView.backgroundColor = Themer.shared().mainBackgroundColor()
+        nameField.backgroundColor = Themer.shared().mainBackgroundColor()
+        emailField.backgroundColor = Themer.shared().mainBackgroundColor()
     }
 
     private func setUnderline(for button: UnderlinedButton?, range: NSRange) {

Clocker/Preferences/General/PreferencesViewController.swift

@@ -249,7 +249,7 @@ class PreferencesViewController: ParentViewController {
         }
 
         timezoneTableView.backgroundColor = Themer.shared().mainBackgroundColor()
-        availableTimezoneTableView.backgroundColor = Themer.shared().mainBackgroundColor()
+        availableTimezoneTableView.backgroundColor = Themer.shared().textBackgroundColor()
         timezonePanel.backgroundColor = Themer.shared().textBackgroundColor()
         timezonePanel.contentView?.wantsLayer = true
         timezonePanel.contentView?.layer?.backgroundColor = Themer.shared().textBackgroundColor().cgColor