**Why?**

This is helpful when needing to wrap the size of an svg
with an empty container. Example:

```
<div class="square s-32 d-flex-center">
  <svg class="s16">...</svg>
</div>
```

This also makes the IDE generally available

Fixes violations of SpaceAfterPropertyColon.

Discussed in #14299.

[ci skip]

The only major difference with the EE version is the change from a light and dark logo to only a header logo
The dark logo wasn't used anyway, so it seemed to make sense to me to rename the field to the actual function of it