fix(submission-management): add null checking for currentPhase

Author: cagdas001

src/shared/components/SubmissionManagement/SubmissionManagement/index.jsx

@@ -49,7 +49,7 @@ export default function SubmissionManagement(props) {
     .sort((a, b) => moment(a.scheduledEndDate).diff(b.scheduledEndDate))[0];
 
   const now = moment();
-  const end = moment(currentPhase.scheduledEndDate);
+  const end = moment(currentPhase && currentPhase.scheduledEndDate);
   const diff = end.isAfter(now) ? end.diff(now) : 0;
   const timeLeft = moment.duration(diff);
 
@@ -78,9 +78,13 @@ export default function SubmissionManagement(props) {
           </a>
         </div>
         <div styleName="right-col">
-          <p styleName="round">
-            {currentPhase.name}
-          </p>
+          {
+            currentPhase && (
+            <p styleName="round">
+              {currentPhase.name}
+            </p>
+            )
+          }
           {
             challenge.status !== 'COMPLETED' ? (
               <div>
@@ -111,7 +115,7 @@ export default function SubmissionManagement(props) {
             Manage your submissions
           </p>
           {
-            isDesign && (
+            isDesign && currentPhase && (
               <p styleName="round-ends">
                 <span styleName="ends-label">
                   {currentPhase.name}