🐛 Bug Report: Collections for relation attribute is empty

### 👟 Reproduction steps

* Create a new collection with an arbitrary amount of fields
* Create a new collection with a relation field.

### 👍 Expected behavior

Show me all available collections from the Database

### 👎 Actual Behavior

The request for the available collections shows 0 collections available.
The Request:
```sh
curl 'https:///v1/databases//collections?queries%5B0%5D=%7B%22method%22%3A%22limit%22%2C%22values%22%3A%5B100%5D%7D&search=null'
```

### 🎲 Appwrite version

Different version (specify in environment)

### 💻 Operating system

Linux

### 🧱 Your Environment

Appwrite: 1.7.4 self-hosted
Docker: 28.3.3
Docker Compose: 2.39.1

### 👀 Have you spent some time to check if this issue has been raised before?

- [x] I checked and didn't find similar issue

### 🏢 Have you read the Code of Conduct?

- [x] I have read the [Code of Conduct](https://github.com/appwrite/.github/blob/main/CODE_OF_CONDUCT.md)