feat(storage): update storage upload APIs to use storage path

[phantumcode]

Issue #

Description

• Update Storage uploadData and uploadFile APIs to use StoragePath as a input parameter
• Update unit tests for uploadData and uploadFile APIs
• cleanup and update code comments and tests for downloadData and downloadFile APIs

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

Attention: Patch coverage is 41.37931% with 34 lines in your changes missing coverage. Please review.

Project coverage is 68.16%. Comparing base (326ba60) to head (f51077f).

Files with missing lines	Patch %	Lines
...e/Operation/Request/StorageUploadDataRequest.swift	0.00%	13 Missing ⚠️
...e/Operation/Request/StorageUploadFileRequest.swift	0.00%	13 Missing ⚠️
...Operation/Request/StorageDownloadDataRequest.swift	0.00%	4 Missing ⚠️
...Operation/Request/StorageDownloadFileRequest.swift	0.00%	4 Missing ⚠️

Additional details and impacted files

@@                   Coverage Diff                    @@
##           feature/gen2_storage    #3574      +/-   ##
========================================================
+ Coverage                 68.13%   68.16%   +0.02%     
========================================================
  Files                      1056     1081      +25     
  Lines                     35539    36546    +1007     
========================================================
+ Hits                      24215    24910     +695     
- Misses                    11324    11636     +312     

Flag	Coverage Δ
API_plugin_unit_test	67.50% <ø> (ø)
AWSPluginsCore	66.90% <ø> (ø)
Amplify	47.42% <0.00%> (-0.25%)	⬇️
Analytics_plugin_unit_test	81.16% <ø> (ø)
Auth_plugin_unit_test	79.09% <ø> (+0.08%)	⬆️
CoreMLPredictions_plugin_unit_test	59.44% <ø> (ø)
DataStore_plugin_unit_test	82.31% <ø> (+0.99%)	⬆️
Geo_plugin_unit_test	70.75% <ø> (ø)
Logging_plugin_unit_test	62.87% <ø> (?)
Predictions_plugin_unit_test	37.16% <ø> (ø)
PushNotifications_plugin_unit_test	87.13% <ø> (ø)
Storage_plugin_unit_test	75.89% <100.00%> (+0.11%)	⬆️
unit_tests	68.16% <41.37%> (+0.02%)	⬆️

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