Public body list in Advanced search is not aligned to the design/public facing App

**Describe the bug in current situation**
Public body list in Advanced search is not aligned to the public facing App

**Link bug to the User Story**

**Impact of this bug**
Describe the impact, i.e. what the impact is, and number of users impacted.

**Chance of Occurring (high/medium/low/very low)**

**Pre Conditions: which Env, any pre-requesites or assumptions to execute steps?**

**Steps to Reproduce**
Steps to reproduce the behavior:
1. Go to Advanced search
2. Click on Public body drop down

**Actual/ observed behaviour/ results**
Public body list is not aligned to the design/public facing App

**Expected behaviour**
The public body list should be aligned to the design/public facing App

**Screenshots/ Visual Reference/ Source**
If applicable, add screenshots to help explain your problem. You an use screengrab.

Start in Advanced search and inspect the Public body dropdown, comparing its entries with the two screenshots attached to the issue and the public-facing App. Done means the dropdown list matches the intended design; verify the result by opening Advanced search and selecting Public body.

Written by the indexing model from the issue text.