[Feature] PEPPER in enviPath (#332)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#332

static/js/alpine/components/widgets.js

@@ -161,8 +161,18 @@ document.addEventListener("alpine:init", () => {
       set value(v) {
         this.data[this.fieldName] = v;
       },
+      get multiple() {
+        return !!(this.fieldSchema.items && this.fieldSchema.items.enum);
+
+      },
       get options() {
-        return this.fieldSchema.enum || [];
+        if (this.fieldSchema.enum) {
+          return this.fieldSchema.enum;
+        } else if (this.fieldSchema.items && this.fieldSchema.items.enum) {
+          return this.fieldSchema.items.enum;
+        } else {
+          return [];
+        }
       },
     }),
   );