[Fix] Collection of minor Bugfixes (#417)

User feedback from on-prem installation

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#417

static/js/alpine/components/widgets.js

@@ -59,6 +59,9 @@ document.addEventListener("alpine:init", () => {
     get isEditMode() {
       return this.mode === "edit";
     },
+    get isRequired() {
+      return (this.schema.required || []).indexOf(this.fieldName) > -1
+    }
   });
 
   // Text widget