fix: avoid duplicate update status copy

Keep the availability subtitle exclusive to the pre-download state and show download, cancellation, and detailed failure status only below the progress track.

renderer/app.js

@@ -7538,10 +7538,7 @@ function handleUpdateProgress(data) {
     _setUpdateDialogBusy(false);
     const currentProgress = Number(document.getElementById('updateProgressBar')?.getAttribute('aria-valuenow')) || 0;
     _setUpdateProgress(currentProgress, 'Download abgebrochen', 'aborted');
-    if (message) {
-      message.hidden = false;
-      message.textContent = 'Download abgebrochen';
-    }
+    if (message) message.hidden = true;
     if (button) {
       button.disabled = false;
       button.textContent = 'Wiederholen';
@@ -7551,11 +7548,9 @@ function handleUpdateProgress(data) {
     _updateInstallBusy = false;
     _setUpdateDialogBusy(false);
     const currentProgress = Number(document.getElementById('updateProgressBar')?.getAttribute('aria-valuenow')) || 0;
-    _setUpdateProgress(currentProgress, 'Update fehlgeschlagen', 'error');
-    if (message) {
-      message.hidden = false;
-      message.textContent = `Update fehlgeschlagen: ${String(progress.error || 'Unbekannter Fehler').slice(0, 400)}`;
-    }
+    const errorText = `Update fehlgeschlagen: ${String(progress.error || 'Unbekannter Fehler').slice(0, 400)}`;
+    _setUpdateProgress(currentProgress, errorText, 'error');
+    if (message) message.hidden = true;
     if (button) {
       button.disabled = false;
       button.textContent = 'Wiederholen';

renderer/styles.css

@@ -2483,9 +2483,11 @@ select.hs-input { max-width: none; width: auto; min-width: 140px; }
 
 #updateProgressText {
   min-width: 34px;
+  max-width: 100%;
   justify-self: end;
   color: var(--text-dim);
   font-size: 11px;
+  line-height: 1.35;
   text-align: right;
 }