[lexical] Bug Fix: mutation listener set for original node should work with the replaced node

[StyleT]

Description

Based on the #6089 (this one adds tests)

Closes #4498

Steps To Reproduce

1. create a custom node and replace it with node that has a mutation listener builtin .
2. Observe that listeners won't take effect.

The current behavior
registerMutationObserver for original node won't work for the replaced node

The expected behavior
registerMutationObserver for original node should work for the replaced node

Test plan

see tests!

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
lexical	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 28, 2024 10:59pm
lexical-playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	May 28, 2024 10:59pm

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
packages/lexical/dist/Lexical.js	23.95 KB (0%)	480 ms (0%)	173 ms (-3.3% 🔽)	652 ms
packages/lexical-rich-text/dist/LexicalRichText.js	34.64 KB (+0.02% 🔺)	693 ms (+0.02% 🔺)	575 ms (+30.24% 🔺)	1.3 s
packages/lexical-plain-text/dist/LexicalPlainText.js	34.62 KB (+0.03% 🔺)	693 ms (+0.03% 🔺)	495 ms (-10.59% 🔽)	1.2 s

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
packages/lexical/dist/Lexical.js	23.95 KB (0%)	480 ms (0%)	487 ms (-3.07% 🔽)	966 ms
packages/lexical-rich-text/dist/LexicalRichText.js	34.63 KB (0%)	693 ms (0%)	1.3 s (-3.15% 🔽)	2 s
packages/lexical-plain-text/dist/LexicalPlainText.js	34.61 KB (0%)	693 ms (0%)	1.9 s (+42.66% 🔺)	2.6 s

[potatowagon]

looks good thankyou

[richardaum]

Is this withKlass property used for replace nodes documented?

[etrepum]

withKlass is used in the documentation examples now