Fix properly reset application/content-provider timespans

[markushi]

📜 Description

As otherwise they would happen before application init.

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	381.56 ms	473.59 ms	92.03 ms
Size	1.70 MiB	2.36 MiB	671.88 KiB

[krystofwoldrich]

LGTM 🚀

Thank you, this will help hybrids to avoid sending old data with the warm starts.