fix: show a "project changed" entry if the server reports something

src/views/NewActivityView.vue

@@ -284,7 +284,10 @@
               </table>
             </div>
           </div>
-          <div v-else>The changes did not affect essential project data.</div>
+          <div v-else>
+            The changes are not important, like it was saved by accident or
+            you've seen it all before.
+          </div>
           <!-- New line that appears on hover -->
           <div
             class="absolute left-0 w-full text-left text-gray-500 text-sm hidden group-hover:flex cursor-pointer items-center"
@@ -589,13 +592,13 @@ export default class NewActivityView extends Vue {
 
     for (const planChange of planChanges) {
       const currentPlan: PlanSummaryRecord = planChange.plan;
-      const wrappedClaim: GenericCredWrapper<PlanActionClaim> =
+      const wrappedClaim: GenericCredWrapper<PlanActionClaim> | undefined =
         planChange.wrappedClaimBefore;
 
       // Extract the actual claim from the wrapped claim
-      let previousClaim: PlanActionClaim;
+      let previousClaim: PlanActionClaim | undefined;
 
-      const embeddedClaim: PlanActionClaim = wrappedClaim.claim;
+      const embeddedClaim: PlanActionClaim | undefined = wrappedClaim?.claim;
       if (
         embeddedClaim &&
         typeof embeddedClaim === "object" &&
@@ -609,7 +612,9 @@ export default class NewActivityView extends Vue {
         previousClaim = embeddedClaim;
       }
 
-      if (!previousClaim || !currentPlan.handleId) {
+      if (!previousClaim) {
+        // Can happen when a project is starred after the stored last-seen-change-jwt ID
+        // so we'll just leave the message saying there are no important differences.
         continue;
       }