Get rid of Flexible redundancy

lib/pangea/widgets/chat/message_toolbar.dart

@@ -157,12 +157,10 @@ class ToolbarDisplayController {
               // If message portion is too tall, decrease toolbar height
               // as necessary to prevent toolbar from acting strange
               // Problems may still occur if toolbar height is decreased too much
-              ? Flexible(
-                  child: toolbar!,
-                )
+              ? toolbar!
               : overlayMessage,
           const SizedBox(height: 6),
-          toolbarUp ? overlayMessage : Flexible(child: toolbar!),
+          toolbarUp ? overlayMessage : toolbar!,
         ],
       );
     } catch (err) {
@@ -421,7 +419,8 @@ class MessageToolbarState extends State<MessageToolbar> {
 
   @override
   Widget build(BuildContext context) {
-    return Material(
+    return Flexible(
+      child: Material(
         type: MaterialType.transparency,
         child: Container(
           padding: const EdgeInsets.all(10),
@@ -500,6 +499,7 @@ class MessageToolbarState extends State<MessageToolbar> {
             ],
           ),
         ),
+      ),
     );
   }
 }