Capture page context as early as possible if `initialPageview` = true

[silesky]

• Analytics: if initialPageView is true, we want to capture page context before destinations are registered.
• Consent: If initialPageView is true, we want to capture page context before .load() is called (taking advantage of the fact that page context is buffered when you do analytics.page())

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 58310d67df692057a252dd39d77a8d4c1eec3f1b

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

| Name | Type | | ------------------------------------------- | ----- | | @segment/analytics-next | Patch | | @segment/analytics-consent-tools | Minor | | @segment/analytics-consent-wrapper-onetrust | Minor |

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