chore(authenticator): Align logos and sort Apple first

[dnys1]

Issue #, if available:

• Apple button should be sorted first
• Logos are not aligned

Description of changes:

• Aligned logos
• Sorted Apple first

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[codecov-commenter]

Codecov Report

Merging #1161 (4748141) into amplify-authenticator (9bf1e5b) will not change coverage.
The diff coverage is n/a.

@@                   Coverage Diff                    @@
##             amplify-authenticator    #1161   +/-   ##
========================================================
  Coverage                    65.59%   65.59%           
  Complexity                       1        1           
========================================================
  Files                          358      358           
  Lines                        11619    11619           
  Branches                       458      458           
========================================================
  Hits                          7621     7621           
  Misses                        3834     3834           
  Partials                       164      164           

Flag	Coverage Δ
android-unit-tests	62.42% <ø> (ø)
flutter-unit-tests	66.68% <ø> (ø)
ios-unit-tests	66.31% <ø> (ø)

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