Quick Reblog: Add dialog height option for Quick Tags Integration.
Description
This adds an option in Quick Reblog's preferences to increase or decrease the height of the Quick Tags Integration dialog.
This addresses the issue raised in #867.
It parses the the preference from Quick Reblog and sets it as a CSS variable in quickTagsList component. This makes it available on every subsequent render of the Quick Reblog popup dialog without having to check every single time.
The variable changes the height of the dialog from 1 to 20 units, each unit being the height of the button which is the same height as each tag element.
Default (4):

Size 10:

Size 1:

Testing steps
To test, go to the Quick Reblog preferences and set a height different than the default of 4. The change should be reflected immediately.
This is lovely, but would it be possible to also provide an "expand to fit" option? Say, if the config variable is set to 0, it acts as if set to length(tagBundles).
That's pretty much equivalent to removing the maximum value from this PR and the user setting an extremely high number, which may be simpler.
Would that also shrink the list if length(tagBundles) < N? Expand to fit, but no more. If so, sure.
Yep! That's what it does currently.
Oh, I have had so many bundles for so long I don't recall ever seeing that. Then ignore me being silly, if there's no limit and I can just set it to 813 or whatever that's great.