'public' prefixed in asset urls for root domain

[Pralish]

Describe the bug
asset urls are prefixed with 'public'. Causes assets to not loaded in safari if ssl certificates are invalid or not setup properly.

To Reproduce
Steps to reproduce the behavior:

1. Attach a image in forum thread of a root domain
2. Refresh the page
3. Inspect the image element
4. See 'public' being prefixed to the asset url

Expected behavior
host for assets url should be same as url in the browser's address bar

Screenshots

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Same thing happens to user invitation links.