Ensure bubble sizing.

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageBubbleView.m

@@ -415,7 +415,7 @@ NS_ASSUME_NONNULL_BEGIN
 
     if (textStackView) {
         CGSize bubbleSize = [self measureSize];
-        [NSLayoutConstraint autoSetPriority:UILayoutPriorityDefaultHigh
+        [NSLayoutConstraint autoSetPriority:UILayoutPriorityRequired
                              forConstraints:^{
                                  [self.viewConstraints addObjectsFromArray:@[
                                      [self autoSetDimension:ALDimensionWidth toSize:bubbleSize.width],

Signal/src/ViewControllers/ConversationView/ConversationStyle.swift

@@ -38,9 +38,6 @@ public class ConversationStyle: NSObject {
     @objc public var fullWidthContentWidth: CGFloat = 0
 
     @objc public var maxMessageWidth: CGFloat = 0
-    // TODO: Can we eliminate this after moving timestamps and
-    //       message status inside the message bubbles.
-    @objc public var maxFooterWidth: CGFloat = 0
 
     @objc public var textInsetTop: CGFloat = 0
     @objc public var textInsetBottom: CGFloat = 0
@@ -98,8 +95,6 @@ public class ConversationStyle: NSObject {
         fullWidthContentWidth = viewWidth - (fullWidthGutterLeading + fullWidthGutterTrailing)
 
         maxMessageWidth = floor(contentWidth - 48)
-        // TODO: Should this be different?
-        maxFooterWidth = maxMessageWidth - 10
 
         let messageTextFont = UIFont.ows_dynamicTypeBody
         // Don't include the distance from the "cap height" to the top of the UILabel