Fixed login keyboard dismiss error on login click

[shubham-eaton]

Fixes #514.

• Fixed keyboard dismiss error on login screen

To test -->

• Run yarn start:example-android
• Open index.tsx under navigation folder and replace OktaLogin with Login

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 76.42%. Comparing base (665edbb) to head (3df79f4).
Report is 4 commits behind head on dev.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #543      +/-   ##
==========================================
+ Coverage   76.38%   76.42%   +0.03%     
==========================================
  Files          78       78              
  Lines        1245     1247       +2     
  Branches      247      247              
==========================================
+ Hits          951      953       +2     
  Misses        109      109              
  Partials      185      185              

Flag	Coverage Δ
unittests	76.42% <100.00%> (+0.03%)	⬆️

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[JeffGreiner-eaton]

This looks good on both iOS and Android

• if this fix is needed, I would update version to beta or alpha to publish updated package off dev branch. If not connect with adopter team

android-key-dismiss.mov

ios-key-dismiss.mov