Improve visibility when using Gin vertical and modern horizontal toolbars

The MR adds the proposed change. It looks like this:

Wide screens

Narrow screens

I think the style has changed in meantime?

I'd suggest to preserve the great design, something like this:

Oh, lol. Didn't noticed, this is already the exact implementation. We just switched to the modern Gin bar.

So @Peacog, what do you think? Can we close this?

Hi @thomas.frobieter. The patch is to improve visibility when you're using the sidebar, vertical toolbar. With the vertical toolbar the indicator color strip is down the left side of the screen, not across the top. It looks like this (without the patch)

It doesn't stand out much and is easy to miss on a busy screen.

True, so lets colorize the menu item like suggested! I'll update the issue fork.

Blocked by 🐛 Fix GIN Admin Toolbar Style: Secondary toolbar is overlapped by the 3px of the indicators border-top Fixed - this needs to be merged to DEV first.

The other issue was committed, so this work can continue now.

I stumbled across the following small flaw with the bottom border radius, my commit fixes it.

Current:

After:

Hovered version, and within will be same as before.