Merge pull request #2130 from TechnologyEnhancedLearning/Develop/Fixes/TD-2027_SupervisorSignOff404Fix

TD-2027 Supervisor sign-off fix for spurious Withdraw sign-off link.

Author: kevwhitt-hee

DigitalLearningSolutions.Web/Views/Supervisor/Shared/_SupervisorSignOffSummary.cshtml

@@ -54,8 +54,10 @@
                         }
                     }
 
-                    <a asp-action="WithdrawSupervisorSignOffRequest" asp-route-selfAssessmentId=@ViewContext.RouteData.Values["selfAssessmentId"]
-                       asp-route-candidateAssessmentSupervisorVerificationId="@Model.FirstOrDefault().ID" asp-route-vocabulary="Proficiencies" asp-route-source="SupervisorSignOffSummary">Withdraw</a>
+                    @if (Context.Request.Path.Value!.Contains("SelfAssessment")) {
+                        <a asp-action="WithdrawSupervisorSignOffRequest" asp-route-selfAssessmentId=@ViewContext.RouteData.Values["selfAssessmentId"]
+                           asp-route-candidateAssessmentSupervisorVerificationId="@Model.FirstOrDefault().ID" asp-route-vocabulary="Proficiencies" asp-route-source="SupervisorSignOffSummary">Withdraw</a>
+                    }
                 }
             </dd>
         </div>