Fixes for input toolbar.

// FREEBIE

Signal/src/ViewControllers/ConversationView/ConversationInputTextView.m

@@ -12,7 +12,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 @property (nonatomic) UILabel *placeholderView;
 @property (nonatomic) NSArray<NSLayoutConstraint *> *placeholderConstraints;
-@property (nonatomic) BOOL isEditing;
 
 @end
 
@@ -119,7 +118,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (void)updatePlaceholderVisibility
 {
-    self.placeholderView.hidden = self.text.length > 0 || self.isEditing;
+    self.placeholderView.hidden = self.text.length > 0;
 }
 
 - (void)setText:(NSString *_Nullable)text
@@ -129,13 +128,6 @@ NS_ASSUME_NONNULL_BEGIN
     [self updatePlaceholderVisibility];
 }
 
-- (void)setIsEditing:(BOOL)isEditing
-{
-    _isEditing = isEditing;
-
-    [self updatePlaceholderVisibility];
-}
-
 - (BOOL)canBecomeFirstResponder
 {
     return YES;
@@ -193,8 +185,6 @@ NS_ASSUME_NONNULL_BEGIN
     // TODO: Is this necessary?
 
     [textView becomeFirstResponder];
-
-    self.isEditing = YES;
 }
 
 - (void)textViewDidChange:(UITextView *)textView
@@ -209,8 +199,6 @@ NS_ASSUME_NONNULL_BEGIN
 - (void)textViewDidEndEditing:(UITextView *)textView
 {
     [textView resignFirstResponder];
-
-    self.isEditing = NO;
 }
 
 - (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.h

@@ -34,7 +34,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @protocol ConversationInputTextViewDelegate;
 
-@interface ConversationInputToolbar : UIToolbar
+@interface ConversationInputToolbar : UIView
 
 @property (nonatomic, weak) id<ConversationInputToolbarDelegate> inputToolbarDelegate;
 

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.m

@@ -72,12 +72,7 @@ static void *kConversationInputTextViewObservingContext = &kConversationInputTex
 {
     self.layoutMargins = UIEdgeInsetsZero;
 
-    // TODO: I think there's an easier to get the right appearance,
-    // but I can't figure it out.
-    UIView *backgroundView = [UIView new];
-    backgroundView.backgroundColor = [UIColor colorWithWhite:249 / 255.f alpha:1.f];
-    [self addSubview:backgroundView];
-    [backgroundView autoPinEdgesToSuperviewEdges];
+    self.backgroundColor = [UIColor colorWithWhite:249 / 255.f alpha:1.f];
 
     _contentView = [UIView containerView];
     [self addSubview:self.contentView];