Address large font size edge cases

Fix some visual bugs occuring at large font size:
  * Contact names break onto the next line after their avatars in
    message detail screen
  * Settings menu font-size failed to scale
  * Handle Content overflow in modals.

// FREEBIE

stylesheets/_debugLog.scss

@@ -14,6 +14,7 @@
         flex-grow: 1;
         width: 100%;
         resize: none;
+        min-height: 100px;
       }
     }
   }