[Analytics Hub] Add interactions to used analytics event

[rachelmcr]

Closes: #8323

Description

Updates the used_analytics event to include the following interactions in the Analytics Hub:

• Scrolling
• Pull-to-refresh
• Tapping on the date range
• Selecting a date range option

Changes

The used_analytics event is handled by StoreStatsUsageTracksEventEmitter:

• We pass an instance of StoreStatsUsageTracksEventEmitter into the Analytics Hub (and its subviews) from the dashboard.
• We call its interacted() method when the user does one of these interactions, to trigger the event.

Most of the interactions should be straightforward, but a note about scrolling: SwiftUI doesn't have a straightforward way of identifying the scroll gesture. Instead, we can use DragGesture to know when scrolling begins, which is sufficient for this tracking.

Testing

Note: The used_analytics event is not triggered immediately after an interaction. (Currently, you have to perform 5 interactions and interact for at least 10 seconds before the event will be triggered.)

For testing, I recommend placing breakpoints where usageTracksEventEmitter.interacted() is called:

• AnalyticsHubView on L59 and L121
• AnalyticsTimeRangeCard on L31 and L40

To test:

1. Launch the app.
2. Tap "See more" on the My Store dashboard.
3. Scroll the Analytics screen and confirm you hit the breakpoint in AnalyticsHubView on L121. (You can then disable this breakpoint to make it easier to scroll.)
4. Pull to refresh the Analytics screen and confirm you hit a breakpoint.
5. Tap the date range selector and confirm you hit a breakpoint.
6. Select a new date range and confirm you hit a breakpoint.

You can also check that after at least 5 of these interactions and 10 seconds you see the used_analytics event triggered.

Submitter Checklist

Update release notes:

• I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

[wpmobilebot]

You can test the changes from this Pull Request by:

• Clicking here or scanning the QR code below to access App Center
• Then installing the build number pr8337-2df386d on your iPhone

If you need access to App Center, please ask a maintainer to add you.

[peril-woocommerce]

	Warnings
⚠️	This PR is assigned to a milestone which is closing in less than 2 days Please, make sure to get it merged by then or assign it to a later expiring milestone

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[ThomazFB]

Thanks for tackling the tracks, @rachelmcr! I've tested the behavior alongside the Android implementation. Both platforms look aligned with the expected triggers! Even the annoyance to trigger them 😆 LGTM!