[lexical][lexical-list] Bug Fix: Style lost on list insertion from empty paragraph

[aleksandr-lapushkin]

Description

This PR attempts to fix a scenario where attempting to replace an empty Paragraph with textStyle, which also changes the current selection, would cause the style to be lost.

Test plan

Before

• Change font/color/size
• Write something
• Insert a new empty paragraph
• Insert a list
• Write some text
• Style is lost

Screen.Recording.2024-12-09.at.15.28.20.mov

After

• Change font/color/size
• Write something
• Insert a new empty paragraph
• Insert a list
• Write some text
• Style is retained

Screen.Recording.2024-12-09.at.16.13.44.mov

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
lexical	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 9, 2024 2:15pm
lexical-playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Dec 9, 2024 2:15pm

[github-actions]

size-limit report 📦

Path	Size
lexical - cjs	31.11 KB (0%)
lexical - esm	30.98 KB (0%)
@lexical/rich-text - cjs	40.11 KB (0%)
@lexical/rich-text - esm	32.8 KB (0%)
@lexical/plain-text - cjs	38.68 KB (0%)
@lexical/plain-text - esm	30.11 KB (0%)
@lexical/react - cjs	42 KB (0%)
@lexical/react - esm	34.15 KB (0%)

[etrepum]

I think you should wait on #6912 for this one, the implementation approaches are conflicting and it may fix the same issue.