Tweak button & dialog paddings (#90)

lib/widgets/block_button.dart

@@ -64,6 +64,7 @@ class BlockButton extends StatelessWidget {
         final isBlocked = authStore.user.blockedUsers.where((blockedUser) => blockedUser.userId == targetUserId).isNotEmpty;
 
         return Button(
+          padding: const EdgeInsets.symmetric(horizontal: 15.0, vertical: 10.0),
           icon: const Icon(Icons.block),
           color: Colors.red,
           fill: true,

lib/widgets/dialog.dart

@@ -16,13 +16,9 @@ class FrostyDialog extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return AlertDialog(
-      titlePadding: const EdgeInsets.all(30.0),
+      titlePadding: const EdgeInsets.fromLTRB(30.0, 30.0, 30.0, 20.0),
       contentPadding: const EdgeInsets.fromLTRB(30.0, 0.0, 30.0, 30.0),
       shape: RoundedRectangleBorder(
-        side: BorderSide(
-          color: Colors.deepPurpleAccent.withOpacity(0.3),
-          width: 3.0,
-        ),
         borderRadius: BorderRadius.circular(20.0),
       ),
       title: Text(

lib/widgets/report_button.dart

@@ -32,6 +32,7 @@ class ReportButton extends StatelessWidget {
           },
         ),
       ),
+      padding: const EdgeInsets.symmetric(horizontal: 15.0, vertical: 10.0),
       color: Colors.red,
       fill: true,
       child: Text('Report $displayName'),