Fix profiling init for Spring and Spring Boot w Agent auto-init

[lbloder]

…options, add configuration class to load the profiler and converter after spring boot starts in agent mode

📜 Description

💡 Motivation and Context

💚 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]

	Fails
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Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

### Fixes

- Fix profiling init for Spring and Spring Boot w Agent auto-init ([#4815](https://github.com/getsentry/sentry-java/pull/4815))

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Generated by 🚫 dangerJS against c02c3dd

[lbloder]

Make it conditional on the async profiler class too

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	339.65 ms	357.82 ms	18.17 ms
Size	1.58 MiB	2.12 MiB	549.52 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d364ace	384.53 ms	453.51 ms	68.98 ms
ee747ae	358.21 ms	389.41 ms	31.20 ms
1df7eb6	397.04 ms	429.64 ms	32.60 ms
ee747ae	386.94 ms	431.43 ms	44.49 ms
f634d01	359.58 ms	433.88 ms	74.30 ms
889ecea	367.58 ms	437.52 ms	69.94 ms
b750b96	421.25 ms	444.09 ms	22.84 ms
b3d8889	371.33 ms	426.24 ms	54.92 ms
ee747ae	357.79 ms	421.84 ms	64.05 ms
f634d01	375.06 ms	420.04 ms	44.98 ms

App size

Revision	Plain	With Sentry	Diff
d364ace	1.58 MiB	2.11 MiB	539.75 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
1df7eb6	1.58 MiB	2.10 MiB	532.97 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
f634d01	1.58 MiB	2.10 MiB	533.40 KiB
889ecea	1.58 MiB	2.11 MiB	539.75 KiB
b750b96	1.58 MiB	2.10 MiB	533.20 KiB
b3d8889	1.58 MiB	2.10 MiB	535.07 KiB
ee747ae	1.58 MiB	2.10 MiB	530.95 KiB
f634d01	1.58 MiB	2.10 MiB	533.40 KiB

Previous results on branch: feat/profiling-w-spring-otel-agent

Startup times

Revision	Plain	With Sentry	Diff
c4729d6	315.52 ms	362.84 ms	47.32 ms
b59fc8e	399.24 ms	444.62 ms	45.38 ms

App size

Revision	Plain	With Sentry	Diff
c4729d6	1.58 MiB	2.12 MiB	548.31 KiB
b59fc8e	1.58 MiB	2.11 MiB	539.90 KiB

[lbloder]

Extract init into util to streamline initialization code

[lbloder]

Extract init into util to streamline initialization code