feat: add properties & activity to event filtering

[vicke4]

When filtering custom events by clicking on them, only the chart gets filtered. This PR filters the activity & properties tabs based on the custom event selected.

[vercel]

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[greptile-apps]

Greptile Summary

This PR enhances the event filtering functionality across the Umami analytics platform by making the filtering behavior more consistent across all views. The changes introduce a unified filtering experience where selecting an event label affects not just the chart (as before) but also the activity and properties tabs.

Key changes:

1. EventsPage.tsx: Added label state management and propagation to child components
2. EventsDataTable.tsx: Implemented filtering logic to show only events matching the selected label
3. EventProperties.tsx: Added label-based filtering to maintain consistency with other views

The implementation uses a straightforward filtering approach by passing a label prop through the component hierarchy and filtering data based on eventName matches. This creates a more intuitive and cohesive user experience.

Confidence score: 5/5

1. This PR is extremely safe to merge as it adds filtering functionality without modifying existing behavior
2. The changes are well-structured, maintain type safety, and include defensive programming (default values for destructuring)
3. Key files to review: All three modified files work together cohesively, but special attention should be paid to EventsPage.tsx as it manages the shared state

_{3 files reviewed, 2 comments
Edit PR Review Bot Settings | Greptile}

[greptile-apps]

style: teamId and children props are unused but still in interface

[greptile-apps]

style: Update interface or add JSDoc to document that label is optional since code handles null case

Suggested change

	export function EventProperties({ websiteId, label }: { websiteId: string; label: string }) {
	export function EventProperties({ websiteId, label }: { websiteId: string; label?: string }) {