Fix: also fix frontend date format in other places

See #10369

src-ui/src/app/components/common/custom-fields-query-dropdown/custom-fields-query-dropdown.component.ts

@@ -246,7 +246,7 @@ export class CustomFieldsQueryDropdownComponent extends LoadingComponentWithPerm
 
   customFields: CustomField[] = []
 
-  public readonly today: string = new Date().toISOString().split('T')[0]
+  public readonly today: string = new Date().toLocaleDateString('en-CA')
 
   constructor() {
     super()

src-ui/src/app/components/common/dates-dropdown/dates-dropdown.component.ts

@@ -165,7 +165,7 @@ export class DatesDropdownComponent implements OnInit, OnDestroy {
   @Input()
   placement: string = 'bottom-start'
 
-  public readonly today: string = new Date().toISOString().split('T')[0]
+  public readonly today: string = new Date().toLocaleDateString('en-CA')
 
   get isActive(): boolean {
     return (

src-ui/src/app/components/common/input/date/date.component.ts

@@ -59,7 +59,7 @@ export class DateComponent
   @Output()
   filterDocuments = new EventEmitter<NgbDateStruct[]>()
 
-  public readonly today: string = new Date().toISOString().split('T')[0]
+  public readonly today: string = new Date().toLocaleDateString('en-CA')
 
   getSuggestions() {
     return this.suggestions == null