feat/tree: fix alignment of Select All Text

[smashleez]

This change encompasses a small design review tweak. Instead of having the 'Select All' text aligned with the first list item, have it on the same line as the 'Expand All' text. (this was how it was on the angular component and we just made it the same for the React component but it creates some odd behavior).

They blocked the ability on my machine to copy/paste images here...I would provide them if I could :(

[codecov[bot]]

Codecov Report

Merging #1256 (d0e3322) into master (286ec67) will increase coverage by 9.70%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1256      +/-   ##
==========================================
+ Coverage   89.34%   99.04%   +9.70%     
==========================================
  Files           8        1       -7     
  Lines         394      209     -185     
  Branches      143       73      -70     
==========================================
- Hits          352      207     -145     
+ Misses         42        2      -40     

Impacted Files	Coverage Δ
packages/tree/src/Tree.tsx	99.04% <100.00%> (ø)
packages/phone/src/validatePhone.js
packages/phone/src/Phone.js
...actstrap-validation-select/src/AvResourceSelect.js
packages/reactstrap-validation-select/resources.js
...kages/reactstrap-validation-select/src/AvSelect.js
packages/phone/index.js
.../reactstrap-validation-select/src/AvSelectField.js
packages/reactstrap-validation-select/index.js

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