feat: update About panel (system stats and version info) to work on cloud (#6940)

## Summary

Updates the About Panel in the settings to work with the cloud-specific
`GET /system_stats` response schema.

| Before | After |
| ------ | ----- |
| <img width="1922" height="1436" alt="Selection_2392"
src="https://github.com/user-attachments/assets/3b97bf38-7eeb-4f46-9c59-eb681f5d7401"
/> | <img width="1922" height="1436" alt="Selection_2391"
src="https://github.com/user-attachments/assets/1d30e604-654a-4d48-ba05-4cac3b54c2ba"
/> |

## Screenshots (if applicable)

OSS version stays the same:

<img width="1922" height="1436" alt="Selection_2393"
src="https://github.com/user-attachments/assets/40e1eeeb-fc5a-4ad0-b37f-dc5d0374901e"
/>

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-6940-feat-update-About-panel-system-stats-and-version-info-to-work-on-cloud-2b66d73d365081f69b6fedfe9507ba92)
by [Unito](https://www.unito.io)

packages/shared-frontend-utils/src/formatUtil.ts

@@ -75,6 +75,17 @@ export function formatSize(value?: number) {
   return `${parseFloat((bytes / Math.pow(k, i)).toFixed(2))} ${sizes[i]}`
 }
 
+/**
+ * Formats a commit hash by truncating long (40-char) hashes to 7 chars.
+ * Returns the original string if not a valid full commit hash.
+ */
+export function formatCommitHash(value: string): string {
+  if (/^[a-f0-9]{40}$/i.test(value)) {
+    return value.slice(0, 7)
+  }
+  return value
+}
+
 /**
  * Returns various filename components.
  * Example: