fetch possible values for gallery view

pdb-js/src/app/query-autocomplete/query-autocomplete.component.ts

@@ -3,7 +3,7 @@ import {FormControl} from '@angular/forms';
 import {Observable} from 'rxjs';
 import {startWith, map} from 'rxjs/operators';
 import {MatAutocompleteTrigger } from '@angular/material/autocomplete';
-import { PlotService, PlotType, AutocompleteResult, Suggestion } from '../plot.service';
+import { PlotService, PlotType, AutocompleteResult, Suggestion, ResultMode } from '../plot.service';
 
 @Component({
   selector: 'pdb-query-autocomplete',
@@ -64,7 +64,7 @@ export class QueryAutocompleteComponent implements OnInit {
       : this.queryField.value.newQuery;
     
     this.plotService
-      .autocomplete(query, caretIndex)
+      .autocomplete(query, caretIndex, ResultMode.CUT_AT_DOT)
       .subscribe(
         (data: AutocompleteResult) => {// success path
           //console.log(JSON.stringify(data.proposals));