size toolbar WRT draft

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.h

@@ -55,6 +55,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 #pragma mark - Voice Memo
 
+- (void)ensureTextViewHeight;
 - (void)showVoiceMemoUI;
 
 - (void)hideVoiceMemoUI:(BOOL)animated;

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.m

@@ -194,6 +194,11 @@ const CGFloat kMaxTextViewHeight = 98;
     self.inputTextView.text = value;
 
     [self ensureShouldShowVoiceMemoButtonAnimated:isAnimated];
+    [self ensureTextViewHeight];
+}
+
+- (void)ensureTextViewHeight
+{
     [self updateHeightWithTextView:self.inputTextView];
 }
 

Signal/src/ViewControllers/ConversationView/ConversationViewController.m

@@ -1209,6 +1209,18 @@ typedef enum : NSUInteger {
     self.isUserScrolling = NO;
 }
 
+- (void)viewDidLayoutSubviews
+{
+    [super viewDidLayoutSubviews];
+
+    // We resize the inputToolbar whenever it's text is modified, including when setting saved draft-text.
+    // However it's possible this draft-text is set before the inputToolbar (an inputAccessoryView) is mounted
+    // in the view hierarchy. Since it's not in the view hierarchy, it hasn't been laid out and has no width,
+    // which is used to determine height.
+    // So here we unsure the proper height once we know everything's been layed out.
+    [self.inputToolbar ensureTextViewHeight];
+}
+
 #pragma mark - Initiliazers
 
 - (void)updateNavigationTitle