[EC-442] [Feature] Option to remove group prefix if Azure AD is used.

src/app/tabs/settings.component.html

@@ -360,6 +360,9 @@ <h3 class="card-header">{{'sync' | i18n}}</h3>
                         <small class="text-muted form-text" *ngIf="directory === directoryType.GSuite">{{'ex' | i18n}}
                             include:Sales,IT</small>
                     </div>
+                    <label for="groupPrefix" [hidden]="directory != directoryType.AzureActiveDirectory">{{'groupPrefix' | i18n}}</label>
+                    <input type="text" class="form-control" id="groupPrefix" name="GroupPrefix"
+                           [(ngModel)]="sync.groupPrefix" [hidden]="directory != directoryType.AzureActiveDirectory">
                     <div class="form-group" [hidden]="directory != directoryType.Ldap">
                         <label for="groupPath">{{'groupPath' | i18n}}</label>
                         <input type="text" class="form-control" id="groupPath" name="GroupPath"

src/locales/en/messages.json

@@ -420,6 +420,9 @@
     "groupFilter": {
         "message": "Group Filter"
     },
+    "groupPrefix": {
+        "message": "Remove group prefix"
+    },
     "syncGroupsOneLogin": {
         "message": "Sync roles"
     },

src/models/syncConfiguration.ts

@@ -1,6 +1,7 @@
 export class SyncConfiguration {
     users = false;
     groups = false;
+    groupPrefix: string;
     interval = 5;
     userFilter: string;
     groupFilter: string;

src/services/azure-directory.service.ts

@@ -355,7 +355,9 @@ export class AzureDirectoryService extends BaseDirectoryService implements IDire
         const entry = new GroupEntry();
         entry.referenceId = group.id;
         entry.externalId = group.id;
-        entry.name = group.displayName;
+        entry.name = this.syncConfig.groupPrefix != null ?
+            group.displayName.replace(new RegExp(`^${this.syncConfig.groupPrefix}`), '') :
+            group.displayName;
 
         const memReq = this.client.api('/groups/' + group.id + '/members');
         let memRes = await memReq.get();