[cosmetic]multiple cosmetic issues in Explore

[junlincc]

1. spacing in between is gone..

2. Autocomplete filter checkbox moved to the next line...

3. Pill for column with no datatype looks funky

[junlincc]

cc @rusackas

[rusackas]

Can't seem to repro #1. Looking into the others...

[rusackas]

Not seeing #2 either, in Chrome... starting to wonder why I'm seeing something different 😜

I definitely see #3 though... on the case.

[rusackas]

PR for #3 open: #14585 - if that's enough to close this issue (since I can't reproduce the others) let me know.

[junlincc]

@pkdotson can you add a few px in between? thanks 😊

[pkdotson]

pr is out for the explore err message: #14597

[suddjian]

I am able to repro 1 and 2, will fix