Fix: Set fixed values correctly (coscine/issues#1146)

coscine/issues#1146

src/components/WrapperInput.vue

@@ -299,6 +299,9 @@ export default Vue.extend({
     checkDataField(data: any, nodename: string, property: string = 'value') {
       return FieldReader.isDataValueAssignedToKey(data, nodename, property);
     },
+    checkFixedField(data: any, nodename: string, property: string = 'value') {
+      return FieldReader.isFixedValueAssignedToKey(data, nodename, property);
+    },
     checkField(data: any, nodename: string, property: string = 'value') {
       return FieldReader.isValueAssignedToKey(data, nodename, property);
     },
@@ -321,8 +324,8 @@ export default Vue.extend({
       return this.checkDataField(this.formData, this.nodeName);
     },
     removeEmptyEntry(){
-      if ((this.checkDataField(this.fixedValues[this.idForFixedValues],'https://purl.org/coscine/fixedValue') && this.fixedValues[this.idForFixedValues]['https://purl.org/coscine/fixedValue'][0]['value'] === '') ||
-        this.checkDataField(this.fixedValues[this.idForFixedValues],'https://purl.org/coscine/defaultValue') && this.fixedValues[this.idForFixedValues]['https://purl.org/coscine/defaultValue'][0]['value'] === '') {
+      if ((this.checkFixedField(this.fixedValues[this.idForFixedValues],'https://purl.org/coscine/fixedValue') && this.fixedValues[this.idForFixedValues]['https://purl.org/coscine/fixedValue'][0]['value'] === '') ||
+        this.checkFixedField(this.fixedValues[this.idForFixedValues],'https://purl.org/coscine/defaultValue') && this.fixedValues[this.idForFixedValues]['https://purl.org/coscine/defaultValue'][0]['value'] === '') {
         this.$delete(this.fixedValues[this.idForFixedValues],'https://purl.org/coscine/defaultValue');
         this.$delete(this.fixedValues[this.idForFixedValues],'https://purl.org/coscine/fixedValue');
         this.locked = false;