chore: resolve swiftlint errors and warnings for Analytics plugin

[phantumcode]

Issue #

Description

• resolve swiftlint errors and warnings for Analytics plugin
• only contains formatting changes, no functional changes

General Checklist

• Added new tests to cover change, if needed
• Build succeeds with all target using Swift Package Manager
• All unit tests pass
• All integration tests pass
• Security oriented best practices and standards are followed (e.g. using input sanitization, principle of least privilege, etc)
• Documentation update for the change if required
• PR title conforms to conventional commit style
• New or updated tests include Given When Then inline code documentation and are named accordingly testThing_condition_expectation()
• If breaking change, documentation/changelog update with migration instructions

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

❗ No coverage uploaded for pull request base (chore/swiftlint_storage@8ce6f8f). Click here to learn what that means.

❗ Current head 104b63a differs from pull request most recent head 99b837d. Consider uploading reports for the commit 99b837d to get more accurate results

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Additional details and impacted files

@@                    Coverage Diff                     @@
##             chore/swiftlint_storage    #3445   +/-   ##
==========================================================
  Coverage                           ?   67.86%           
==========================================================
  Files                              ?     1085           
  Lines                              ?    36307           
  Branches                           ?        0           
==========================================================
  Hits                               ?    24638           
  Misses                             ?    11669           
  Partials                           ?        0           

Flag	Coverage Δ
API_plugin_unit_test	67.07% <0.00%> (?)
AWSPluginsCore	64.13% <0.00%> (?)
Amplify	48.10% <0.00%> (?)
Analytics_plugin_unit_test	81.16% <0.00%> (?)
Auth_plugin_unit_test	79.01% <0.00%> (?)
CoreMLPredictions_plugin_unit_test	59.44% <0.00%> (?)
DataStore_plugin_unit_test	79.88% <0.00%> (?)
Geo_plugin_unit_test	70.75% <0.00%> (?)
Logging_plugin_unit_test	63.22% <0.00%> (?)
Predictions_plugin_unit_test	37.29% <0.00%> (?)
PushNotifications_plugin_unit_test	87.03% <0.00%> (?)
Storage_plugin_unit_test	78.10% <0.00%> (?)
unit_tests	67.86% <0.00%> (?)

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[thisisabhash]

looks like theme was copied from Xcode as well with the text