fix(config) Trim whitespace on properties path

[adinauer]

📜 Description

A properties file can be specified, e.g. using the SENTRY_PROPERTIES_FILE environment variable. This path is now trimmed so whitespaces don't cause it to not be loaded.

💡 Motivation and Context

One less source of errors when configuring the SDK.

💚 How did you test it?

📝 Checklist

• I added GH Issue ID & Linear ID
• 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	300.64 ms	366.39 ms	65.75 ms
Size	1.58 MiB	2.12 MiB	551.81 KiB