fix(UI): add text-overflow style in InputSelect Component

[evenchange4]

Issue:

What I did

How to test

[evenchange4]

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[evenchange4]

Deploy preview for mcslite ready!

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[evenchange4]

Deploy preview for mcs-lite-introduction ready!

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[michaelhsu-bot]

	Warnings
:warning:	Please add a label to your PR.
:warning:	Please assign someone to merge this PR, and optionally include people who should review.

Generated by :no_entry_sign: dangerJS

[codecov[bot]]

Codecov Report

Merging #609 into master will increase coverage by <.01%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #609      +/-   ##
==========================================
+ Coverage   83.73%   83.73%   +<.01%     
==========================================
  Files         325      325              
  Lines        2686     2687       +1     
  Branches      175      175              
==========================================
+ Hits         2249     2250       +1     
  Misses        372      372              
  Partials       65       65

Impacted Files	Coverage Δ
...ackages/mcs-lite-ui/src/InputSelect/InputSelect.js	38.09% <ø> (ø)	:arrow_up:
...s/mcs-lite-ui/src/InputSelect/styled-components.js	54.54% <100%> (+4.54%)	:arrow_up:

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