fix(icon-button): Fix position when used as TextFieldIcon

[ghost]

Fixes #4059

This PR fixes the position issue that occurs when an IconButton is used as a TextFieldIcon. It does so by adding negative margin equal to the padding to the IconButton in this particular situation.

[abhiomkar]

I’m closing this pull request for now because of inactivity.

@sdomenet we can always reopen it though! :)

If you need any help, please feel free to open a GitHub issue.

[ghost]

I would like to submit another commit to solve that issue, can I do that here or should I create a new PR?

[abhiomkar]

Please commit to same PR. Thanks!

[codecov-io]

Codecov Report

Merging #4575 into master will increase coverage by 0.3%. The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #4575     +/-   ##
=========================================
+ Coverage   98.96%   99.26%   +0.3%     
=========================================
  Files         129      129             
  Lines        6294     6294             
  Branches      821      821             
=========================================
+ Hits         6229     6248     +19     
+ Misses         64       45     -19     
  Partials        1        1

Impacted Files	Coverage Δ
packages/mdc-textfield/foundation.ts	100% <0%> (ø)	:arrow_up:
packages/mdc-checkbox/component.ts	96.84% <0%> (+1.05%)	:arrow_up:
packages/mdc-tab/component.ts	98.36% <0%> (+3.27%)	:arrow_up:
packages/mdc-base/component.ts	100% <0%> (+3.57%)	:arrow_up:
packages/mdc-ripple/component.ts	100% <0%> (+3.84%)	:arrow_up:
packages/mdc-ripple/util.ts	98% <0%> (+4%)	:arrow_up:
packages/mdc-auto-init/index.ts	100% <0%> (+4.54%)	:arrow_up:
packages/mdc-tabs/tab/component.ts	100% <0%> (+5%)	:arrow_up:
packages/mdc-switch/component.ts	98.24% <0%> (+7.01%)	:arrow_up:
packages/mdc-radio/component.ts	95.74% <0%> (+8.51%)	:arrow_up:

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[anlexN]

can we solve PR?