keyboard is always dark in attachment approval

SignalMessaging/ViewControllers/AttachmentApprovalViewController.swift

@@ -1398,7 +1398,6 @@ class CaptionView: UIView {
         placeholderTextView.isEditable = false
 
         placeholderTextView.backgroundColor = .clear
-        placeholderTextView.keyboardAppearance = Theme.keyboardAppearance
         placeholderTextView.font = UIFont.ows_dynamicTypeBody
 
         placeholderTextView.textColor = Theme.darkThemePrimaryColor
@@ -1411,7 +1410,7 @@ class CaptionView: UIView {
     private lazy var textView: UITextView = {
         let textView = UITextView()
         textView.backgroundColor = .clear
-        textView.keyboardAppearance = Theme.keyboardAppearance
+        textView.keyboardAppearance = Theme.darkThemeKeyboardAppearance
         textView.font = UIFont.ows_dynamicTypeBody
         textView.textColor = Theme.darkThemePrimaryColor
         textView.tintColor = Theme.darkThemePrimaryColor
@@ -1711,7 +1710,7 @@ class MediaMessageTextToolbar: UIView, UITextViewDelegate {
     private func buildTextView() -> UITextView {
         let textView = MessageTextView()
 
-        textView.keyboardAppearance = Theme.keyboardAppearance
+        textView.keyboardAppearance = Theme.darkThemeKeyboardAppearance
         textView.backgroundColor = .clear
         textView.tintColor = Theme.darkThemePrimaryColor
 

SignalMessaging/appearance/Theme.h

@@ -54,6 +54,7 @@ extern NSString *const ThemeDidChangeNotification;
 @property (class, readonly, nonatomic) UIColor *searchFieldBackgroundColor;
 @property (class, readonly, nonatomic) UIBlurEffect *barBlurEffect;
 @property (class, readonly, nonatomic) UIKeyboardAppearance keyboardAppearance;
+@property (class, readonly, nonatomic) UIKeyboardAppearance darkThemeKeyboardAppearance;
 
 #pragma mark -
 

SignalMessaging/appearance/Theme.m

@@ -161,9 +161,15 @@ NSString *const ThemeKeyThemeEnabled = @"ThemeKeyThemeEnabled";
 
 + (UIKeyboardAppearance)keyboardAppearance
 {
-    return Theme.isDarkThemeEnabled ? UIKeyboardAppearanceDark : UIKeyboardAppearanceDefault;
+    return Theme.isDarkThemeEnabled ? self.darkThemeKeyboardAppearance : UIKeyboardAppearanceDefault;
 }
 
++ (UIKeyboardAppearance)darkThemeKeyboardAppearance;
+{
+    return UIKeyboardAppearanceDark;
+}
+
+
 #pragma mark - Search Bar
 
 + (UIBarStyle)barStyle