feat: Show custom attributes in pre-chat form on new conversation (#6735)

app/javascript/widget/components/PreChat/Form.vue

@@ -74,10 +74,6 @@ export default {
       type: Object,
       default: () => {},
     },
-    disableContactFields: {
-      type: Boolean,
-      default: false,
-    },
   },
   data() {
     return {
@@ -114,7 +110,7 @@ export default {
       return this.options.preChatMessage;
     },
     preChatFields() {
-      return this.disableContactFields ? [] : this.options.preChatFields;
+      return this.options?.preChatFields || [];
     },
     filteredPreChatFields() {
       const isUserEmailAvailable = !!this.currentUser.email;