Merged in task/dspace-cris-2023_02_x/DSC-1993 (pull request DSpace#2441)

[DSC-1993] fix of red border in inline-group

Approved-by: Andrea Barbasso

Author: alisaismailati

src/app/shared/form/builder/ds-dynamic-form-ui/models/relation-inline-group/dynamic-relation-inline-group.component.html

@@ -1,4 +1,4 @@
-<div class="pt-2" [ngClass]="{'border-top': !showErrorMessages, 'border border-danger': showErrorMessages}" [hidden]="model.hidden">
+<div class="pt-2 border-top" [ngClass]="{ 'inline-group-is-invalid': showErrorMessages}" [hidden]="model.hidden">
     <ds-form #formRef="formComponent" *ngIf="formModel" @shrinkInOut
              [formId]="formId"
              [formModel]="formModel"

src/app/shared/form/builder/ds-dynamic-form-ui/models/relation-inline-group/dynamic-relation-inline-group.component.scss

@@ -1,3 +1,7 @@
 .inline-btn-group {
   margin-top: 2rem;
 }
+
+.inline-group-is-invalid ds-form:has(ds-dynamic-form-array) .grey-background {
+  border: 1px solid var(--bs-danger);
+}