Merge branch 'charlesmchen/linkPreviewsInputBackground'

Signal/src/ViewControllers/ConversationView/ConversationInputToolbar.m

@@ -123,7 +123,8 @@ const CGFloat kMaxTextViewHeight = 98;
     _inputTextView = [ConversationInputTextView new];
     self.inputTextView.textViewToolbarDelegate = self;
     self.inputTextView.font = [UIFont ows_dynamicTypeBodyFont];
-    self.inputTextView.backgroundColor = Theme.toolbarBackgroundColor;
+    self.inputTextView.backgroundColor = UIColor.clearColor;
+    self.inputTextView.opaque = NO;
     [self.inputTextView setContentHuggingLow];
     [self.inputTextView setCompressionResistanceLow];