Inconsistent profile picture

**Describe the bug**
When changing profile pictures on another client, the profile picture does not change in the header and in the "Accounts" sheet on mobile.

- Which site: phanpy.social
- Which site version: 2024.04.19.5145730
- Which instance: techhub.social

**To Reproduce**
Steps to reproduce the behavior:
1. Load Phanpy and see your profile picture at the top left
2. Change your profile picture on any another client
3. Return on Phanpy, you'll be able to see the first profile picture previously set.

**Expected behavior**
The profile picture should be the newly set one.

**Screenshots**
On desktop:
1. Previously set profile picture
2. Newly set profile picture

On mobile:

**Desktop:**
- OS: Windows 10
- Browser: Opera One (Chromium)
- Version [e.g. 22]

**Smartphone:**
- Device: iPhone 13
- OS: iOS 17.4.1
- Browser: Web App (WebKit)
- Version: Safari 17.4.1