👷Fix build fail with the new event format

[rgaignault]

Motivation

Build are failing after updating the rum events format in the following pr : #3921.
This PR made the view property optional in CommonProperties to support vital events that don't require a view context. This broke TypeScript compilation because existing code assumed event.view was always defined.

Changes

Allow view.event to be undefined in some cases to fix build / typecheck

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	162.85 KiB	162.90 KiB	+47 B	+0.03%	✅
Rum Recorder	19.78 KiB	19.78 KiB	0 B	0.00%	✅
Rum Profiler	4.89 KiB	4.89 KiB	0 B	0.00%	✅
Logs	56.54 KiB	56.54 KiB	0 B	0.00%	✅
Flagging	944 B	944 B	0 B	0.00%	✅
Rum Slim	119.81 KiB	119.86 KiB	+47 B	+0.04%	✅
Worker	23.60 KiB	23.60 KiB	0 B	0.00%	✅

🚀 CPU Performance

Action Name	Base CPU Time (ms)	Local CPU Time (ms)	𝚫%
RUM - add global context	0.0039	0.0047	+20.51%
RUM - add action	0.0114	0.0144	+26.32%
RUM - add error	0.011	0.016	+45.45%
RUM - add timing	0.0025	0.0038	+52.00%
RUM - start view	0.0032	0.0043	+34.37%
RUM - start/stop session replay recording	0.0006	0.0009	+50.00%
Logs - log message	0.013	0.018	+38.46%

🧠 Memory Performance

Action Name	Base Memory Consumption	Local Memory Consumption	𝚫
RUM - add global context	24.99 KiB	26.15 KiB	+1.16 KiB
RUM - add action	45.96 KiB	46.43 KiB	+475 B
RUM - add timing	25.19 KiB	24.15 KiB	-1.04 KiB
RUM - add error	50.82 KiB	52.18 KiB	+1.36 KiB
RUM - start/stop session replay recording	24.59 KiB	23.80 KiB	-806 B
RUM - start view	421.45 KiB	429.50 KiB	+8.05 KiB
Logs - log message	42.71 KiB	42.28 KiB	-443 B

🔗 RealWorld

[datadog-datadog-prod-us1]

✅ Tests

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

🎯 Code Coverage
• Patch Coverage: 100.00%
• Total Coverage: 92.63% (+0.00%)

View detailed report

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