Fix processGroupResult itemLabel

Signed-off-by: yubiuser <github@yubiuser.dev>

Author: yubiuser

scripts/js/groups-common.js

@@ -57,15 +57,32 @@ function getGroups() {
 
 // eslint-disable-next-line no-unused-vars
 function processGroupResult(data, type, done, notDone) {
+  const itemLabel = entry => {
+    if (typeof entry === "string") {
+      return entry;
+    }
+
+    if (entry && typeof entry === "object" && typeof entry.item === "string") {
+      return entry.item;
+    }
+
+    return String(entry);
+  };
+
   // Loop over data.processed.success and show toasts
   for (const item of data.processed.success) {
-    utils.showAlert("success", "fas fa-pencil-alt", `Successfully ${done} ${type}`, item);
+    utils.showAlert("success", "fas fa-pencil-alt", `Successfully ${done} ${type}`, itemLabel(item));
   }
 
   // Loop over errors and display them
   for (const error of data.processed.errors) {
     console.log(error); // eslint-disable-line no-console
-    utils.showAlert("error", "", `Error while ${notDone} ${type} ${error.item}`, error.error);
+    utils.showAlert(
+      "error",
+      "",
+      `Error while ${notDone} ${type} ${itemLabel(error)}`,
+      typeof error.error === "string" ? error.error : String(error.error)
+    );
   }
 }