✨ [EX-1236] Add support for flagevaluation track.

[lisaah]

Motivation

Adding support for new EVP flagevaluation track, so that feature flagging SDK can send evaluation events.

Changes

Adds new flagevaluation track type to the core.

Test instructions

Checklist

• Tested locally
• Tested on staging
• Added unit tests for this change.
• Added e2e/integration tests for this change.

[cit-pr-commenter]

Bundles Sizes Evolution

📦 Bundle Name	Base Size	Local Size	𝚫	𝚫%	Status
Rum	164.10 KiB	164.15 KiB	+53 B	+0.03%	✅
Rum Profiler	4.84 KiB	4.84 KiB	0 B	0.00%	✅
Rum Recorder	19.50 KiB	19.50 KiB	0 B	0.00%	✅
Logs	55.91 KiB	55.96 KiB	+53 B	+0.09%	✅
Flagging	944 B	944 B	0 B	0.00%	✅
Rum Slim	121.37 KiB	121.42 KiB	+53 B	+0.04%	✅
Worker	23.63 KiB	23.63 KiB	0 B	0.00%	✅

🚀 CPU Performance

Pending...

🧠 Memory Performance

Action Name	Base Memory Consumption	Local Memory Consumption	𝚫
RUM - add global context	25.31 KiB	25.74 KiB	+443 B
RUM - add action	94.50 KiB	101.97 KiB	+7.46 KiB
RUM - add timing	24.07 KiB	24.43 KiB	+365 B
RUM - add error	94.35 KiB	89.82 KiB	-4.53 KiB
RUM - start/stop session replay recording	24.25 KiB	23.62 KiB	-646 B
RUM - start view	430.18 KiB	439.02 KiB	+8.84 KiB
Logs - log message	42.48 KiB	44.50 KiB	+2.02 KiB

🔗 RealWorld