[QA] Chat | Avatar and nametags overlap Chat bubbles

### 🛠️ **Build version:**

v0.134.0

### 📔 **Issue Description:**

The chat bubbles are being overlapped by avatar shapes, emotes and nametags.
Not sure if this may be related to the issues found here https://github.com/decentraland/unity-explorer/issues/7658

### 👣 **STR:**

1. Go to a scene where several users are chatting
2. Check the chat bubbles

### ✔️ **Expected Result:**

- The chat bubbles should appear in front, but they are currently overlapped by the nametag and avatar shape.

### ❌ **Actual Result with evidence:**

https://github.com/user-attachments/assets/13b18d62-09c1-4cb0-85f7-e7e64920e2d2

Here it can be seen that the nametag is overlapping the chat bubble

https://github.com/user-attachments/assets/71235d0c-8e47-42a4-b621-f2d4b4e14e8e

### ➗ **Reproduction:**

##### 🔁 Always - (note)

##### ⚠️ Intermittent - (note)

##### ❓ Unknown - (note)

#### 🖥️ **Operative system and additional Notes:**

Reproduced on Windows and Mac