fix(admin-ui): Fix DateFormInputComponent error

packages/admin-ui/src/lib/core/src/shared/dynamic-form-inputs/date-form-input/date-form-input.component.html

@@ -1,8 +1,8 @@
 <vdr-datetime-picker
     [formControl]="formControl"
-    [min]="config.min"
-    [max]="config.max"
-    [yearRange]="config.yearRange"
+    [min]="config?.min"
+    [max]="config?.max"
+    [yearRange]="config?.yearRange"
     [readonly]="readonly"
 >
 </vdr-datetime-picker>