fix(bootstrap): radio temp fix

src/app/@theme/styles/styles.scss

@@ -17,4 +17,8 @@
 
   // loading progress bar
   @include ngx-pace-theme();
+
+  .custom-control .custom-control-indicator {
+    border-radius: 50%; // TODO: quickfix for https://github.com/akveo/nebular/issues/275
+  }
 };