The loading slots icon breaks the header style while loading

## 🎉 Description

https://images.zenhubusercontent.com/162741822/c5a7e898-4630-47a4-b22c-5de21f897840/loading_slots_break_tp_style.mov

* [x] 🐛 This is a bug report.
* [ ] 📈 This is a feature request.

## 🔢 Steps To Reproduce Issue

- Get into a TP collection detail page.
- Reload the page and check the page header.

Reproduce the issue on a TP collection detail page by reloading and observing the page header while loading. Trace the loading slots icon and header styling from that entry point; done when the icon no longer breaks the header style during loading.

Written by the indexing model from the issue text.