Update handler/ExecuteLivechatBlockActionHandler.ts

Co-authored-by: Murtaza Patrawala <34130764+murtaza98@users.noreply.github.com>

Author: PrajvalRaval

handler/ExecuteLivechatBlockActionHandler.ts

@@ -38,7 +38,7 @@ export class ExecuteLivechatBlockActionHandler {
 
             switch (actionId) {
                 case ActionIds.PERFORM_HANDOVER:
-                    let targetDepartment: string = await getAppSettingValue(this.read, AppSetting.FallbackTargetDepartment);
+                    const targetDepartment: string = value || await getAppSettingValue(this.read, AppSetting.FallbackTargetDepartment);
                     if (value !== undefined) { targetDepartment = value; }
                     if (!targetDepartment) {
                         await createMessage(rid, this.read, this.modify, { text: DefaultMessage.DEFAULT_DialogflowRequestFailedMessage });