feat: Remove FID

[ptang-nr]

First Input Delay (FID) has been deprecated and replaced by Interaction To Next Paint (INP). PageViewTiming events for first interactions are preserved by detecting the first INP instead of FID event, and will no longer output value for the firstInputDelay attribute. For more info on PageViewTiming, see https://docs.newrelic.com/docs/browser/new-relic-browser/page-load-timing-resources/pageviewtiming-async-or-dynamic-page-details/. For more info on INP and the deprecation, see https://web.dev/articles/inp.

Overview

In this PR, we are proceeding with the removal of FID related logic from the browser agent.

Notes:

• The firstInteraction timing event should continue to be detected as-is, with the exception of slight changes to the actual interactionType values:
  • old values from FID: pointerdown, pointerup, click; new value from INP: pointer
  • old values from FID: keydown, keyup; new value from INP: keyboard

Related Issue(s)

https://new-relic.atlassian.net/browse/NR-355558

Testing

Updated existing tests that dealt with FID.

[github-actions]

Asset Size Report

Merging this pull request will result in the following asset size changes:

Agent	Asset	Previous Size	New Size	Diff
lite	loader	29.75 kB / 10.79 kB (gzip)	29.75 kB / 10.79 kB (gzip)	0% / -0.01% (gzip)
lite	async-chunk	52.42 kB / 17.01 kB (gzip)	50.9 kB / 16.62 kB (gzip)	-2.89% / -2.33% (gzip)
pro	loader	51.4 kB / 17.74 kB (gzip)	51.4 kB / 17.74 kB (gzip)	0% / 0% (gzip)
pro	async-chunk	99.25 kB / 30.31 kB (gzip)	97.6 kB / 29.87 kB (gzip)	-1.66% / -1.46% (gzip)
spa	loader	59.02 kB / 20.07 kB (gzip)	59.02 kB / 20.07 kB (gzip)	0% / 0% (gzip)
spa	async-chunk	113.96 kB / 34.65 kB (gzip)	112.31 kB / 34.2 kB (gzip)	-1.45% / -1.29% (gzip)

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.66%. Comparing base (e7e0114) to head (aa5344f).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1319      +/-   ##
==========================================
- Coverage   88.66%   88.66%   -0.01%     
==========================================
  Files         170      170              
  Lines        7321     7312       -9     
  Branches     1480     1478       -2     
==========================================
- Hits         6491     6483       -8     
  Misses        715      715              
+ Partials      115      114       -1     

Flag	Coverage Δ
integration-tests	91.32% <100.00%> (+0.04%)	⬆️
unit-tests	79.90% <100.00%> (-0.01%)	⬇️

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[github-actions]

Last ran on January 10, 2025 21:33:03 CST
Checking merge of (aa5344f) into main (e7e0114)