Qt: Fix Patch

Addresses the issues with the inline patch discussed in #32215.
Upstream is also applying this patch (or one extremely similar) to all
future Qt4 versions, so it doesn’t need to be scoped to any specific OS
X version.
Qt: Fix Patch

Adopts Misty’s suggestion
[here](https://github.com/Homebrew/homebrew/pull/32222#issuecomment-5519
6508).
Qt: Formula Revamp

Fixed the spacing on the explanation above the patch, because otherwise
it was going to do my head in.
qt: update 4.8.6 bottle.