[EP-231] Page Viewed (rewards)

[singhhari]

📲 What

Adding a new Page Viewed event that fires when the Rewards Carousel is opened.

🤔 Why

This PR is part of our continuing efforts to move away from our legacy analytics platform and toward a full Segment implementation.

[codecov]

Codecov Report

Merging #1388 (661dc92) into master (1b985db) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1388      +/-   ##
==========================================
+ Coverage   85.88%   85.90%   +0.01%     
==========================================
  Files        1104     1104              
  Lines       96274    96381     +107     
==========================================
+ Hits        82686    82794     +108     
+ Misses      13588    13587       -1     

Impacted Files	Coverage Δ
Library/Tracking/KSRAnalytics.swift	82.57% <100.00%> (+0.21%)	⬆️
Library/Tracking/KSRAnalyticsTests.swift	100.00% <100.00%> (ø)
...ibrary/ViewModels/RewardsCollectionViewModel.swift	99.51% <100.00%> (+0.07%)	⬆️
...y/ViewModels/RewardsCollectionViewModelTests.swift	100.00% <100.00%> (ø)
Library/Navigation.swift	77.25% <0.00%> (+0.36%)	⬆️

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