fix issue where hints wouldn't show for non-repeatable fields, and remove commented out bits of code

src/app/core/submission/workspaceitem-data.service.ts

@@ -21,7 +21,6 @@ import { WorkspaceItem } from './models/workspaceitem.model';
 @dataService(WorkspaceItem.type)
 export class WorkspaceitemDataService extends DataService<WorkspaceItem> {
   protected linkPath = 'workspaceitems';
-  // protected responseMsToLive = 10 * 1000;
 
   constructor(
     protected comparator: DSOChangeAnalyzer<WorkspaceItem>,

src/app/entity-groups/research-entities/submission/item-list-elements/person/person-search-result-list-submission-element.component.html

@@ -1,7 +1,4 @@
 <div class="d-flex">
-<!--    <div class="person-thumbnail pr-2">-->
-<!--        <ds-thumbnail [thumbnail]="getThumbnail() | async" [defaultImage]="'assets/images/person-placeholder.svg'"></ds-thumbnail>-->
-<!--    </div>-->
     <div class="flex-grow-1">
         <ds-person-input-suggestions [suggestions]="allSuggestions" [(ngModel)]="selectedName" (clickSuggestion)="select($event)" (submitSuggestion)="selectCustom($event)"></ds-person-input-suggestions>
         <span class="text-muted">

src/app/shared/form/builder/ds-dynamic-form-ui/ds-dynamic-form-control-container.component.html

@@ -11,7 +11,7 @@
                       'd-none': value?.isVirtual && (model.hasSelectableMetadata || context?.index > 0)}">
         <div [ngClass]="getClass('grid', 'control')">
             <ng-container #componentViewContainer></ng-container>
-            <small *ngIf="hasHint && context?.index === 0 && (!showErrorMessages || errorMessages.length === 0)"
+            <small *ngIf="hasHint && (model.repeatable === false || context?.index === 0) && (!showErrorMessages || errorMessages.length === 0)"
                    class="text-muted" [innerHTML]="model.hint | translate" [ngClass]="getClass('element', 'hint')"></small>
 
             <div *ngIf="showErrorMessages" [ngClass]="[getClass('element', 'errors'), getClass('grid', 'errors')]">

src/app/shared/form/builder/ds-dynamic-form-ui/models/date-picker/date-picker.model.ts

@@ -17,6 +17,7 @@ export class DynamicDsDatePickerModel extends DynamicDateControlModel {
   valueUpdates: Subject<any>;
   malformedDate: boolean;
   hasLanguages = false;
+  repeatable = false;
 
   constructor(config: DynamicDateControlModelConfig, layout?: DynamicFormControlLayout) {
     super(config, layout);