Add right margin when menu is shrunk

[AydinHassan]

• fix bug with maybeResize using margin when in auto mode

[codecov-io]

Codecov Report

Merging #223 into master will increase coverage by 0.02%.
The diff coverage is 100%.

@@             Coverage Diff              @@
##             master     #223      +/-   ##
============================================
+ Coverage     93.06%   93.09%   +0.02%     
- Complexity      605      608       +3     
============================================
  Files            31       32       +1     
  Lines          1789     1796       +7     
============================================
+ Hits           1665     1672       +7     
  Misses          124      124

Impacted Files	Coverage Δ	Complexity Δ
src/Exception/CannotShrinkMenuException.php	100% <100%> (ø)	1 <1> (?)
src/MenuStyle.php	96.7% <100%> (+0.01%)	77 <0> (+2)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 0283b18...3f7aba7. Read the comment docs.

[AydinHassan]

@jtreminio this fixes the right margin issue