Diagrams have errors

### Type of issue

Other (describe below)

### Description

**This feedback came in through DevComm**

I was refreshing my mind about GC internals, and was reading from learn center, I was reading about Background GC.

The text is concise but clear for those with a basic understanding, but the images accompanying the documentation are not at all reliable.

Many errors I could catch from both diagrams, suspensions times, the resume after init gc, gf thread working manner, the gc thread gc behavior after managed thread (thread1) ask for gc (it should be suspended since init gc will start a FG gc), …

### Page URL

https://learn.microsoft.com/en-us/dotnet/standard/garbage-collection/background-gc

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/standard/garbage-collection/background-gc.md

### Document Version Independent Id

720ea779-a955-7fde-eb2e-efacc449aa0d

### Platform Id

2f97f3af-11ab-342c-8fae-99fb38458520

### Article author

@gewarren

### Metadata

* ID: 5d109272-00cf-f922-d683-0e5c7b87fcd3
* PlatformId: 2f97f3af-11ab-342c-8fae-99fb38458520
* Service: **dotnet-fundamentals**

[Related Issues](https://github.com/dotnet/docs/issues?q=is%3Aissue+is%3Aopen+720ea779-a955-7fde-eb2e-efacc449aa0d)