treewide cleanups

lib/widgets/settings/dialog_list_tile.dart

@@ -42,7 +42,7 @@ final class const DialogListTile<T>({
         child: Chip(
           label: Text(
             value is T ? getName(value as T) : "None",
-            overflow: TextOverflow.ellipsis,
+            overflow: .ellipsis,
             style: onChanged == null || saving.active
                 ? .new(color: Colors.grey)
                 : null,

lib/widgets/settings/radio_sheet.dart

@@ -36,7 +36,7 @@ final class const RadioSheet<T>({
           onChanged: (value) => chosen.value = (value as T,),
 
           child: Column(
-            mainAxisSize: MainAxisSize.min,
+            mainAxisSize: .min,
             children: options
                 .map(
                   (option) => RadioListTile<T>(