fix: Security Server add client service access rights filter clearing…

… fix

Refs: XRDDEV-2462

src/security-server/admin-service/ui/src/views/Service/AccessRightsDialog.vue

@@ -295,6 +295,15 @@ export default Vue.extend({
     },
     search(): void {
       this.noResults = false;
+      if (this.name == null) {
+        this.name = '';
+      }
+      if (this.memberCode == null) {
+        this.memberCode = '';
+      }
+      if (this.subsystemCode == null) {
+        this.subsystemCode = '';
+      }
       let query = `/clients/${this.clientId}/service-client-candidates?member_name_group_description=${this.name}&member_group_code=${this.memberCode}&subsystem_code=${this.subsystemCode}`;
 
       // These checks are needed because instance, subject type and member class (dropdowns) return undefined if they are first selected and then cleared