Add proper lock message on DMP Editor

dmp-frontend/src/app/ui/dmp/editor/dmp-editor.component.html

@@ -95,6 +95,10 @@
 						</mat-tab>   -->
 					</mat-tab-group>
 
+					<span *ngIf="lockStatus">
+						<mat-icon  color="accent" class="align-self-center mr-1">info_outlined</mat-icon>
+						<div class="align-self-center mr-3">{{'DMP-EDITOR.ACTIONS.LOCK' | translate}}</div>
+					</span>
 					<div *ngIf="!isFinalized" class="d-flex justify-content-end pt-2 pb-4 pl-2">
 						<div *ngIf="!isNew">
 							<button mat-raised-button color="primary" (click)="cancel(dmp.id)" type="button" class="text-uppercase mr-2">

dmp-frontend/src/assets/i18n/en.json

@@ -697,7 +697,8 @@
 			"SAVE": "Save",
 			"CANCEL": "Cancel",
 			"DELETE": "Delete",
-			"FINALISE": "Finalize"
+			"FINALISE": "Finalize",
+			"LOCK": "DMP is locked by another user"
 		},
 		"SNACK-BAR": {
 			"UNSUCCESSFUL-DOI": "Unsuccessful DOI creation",

dmp-frontend/src/assets/i18n/es.json

@@ -697,7 +697,8 @@
 			"SAVE": "Save",
 			"CANCEL": "Cancel",
 			"DELETE": "Delete",
-			"FINALISE": "Finalize"
+			"FINALISE": "Finalize",
+			"LOCK": "DMP is locked by another user"
 		},
 		"SNACK-BAR": {
 			"UNSUCCESSFUL-DOI": "Unsuccessful DOI creation",