[lexical-selection] Fix lost autolink styling

[MaxPlav]

Fix bug related to a lost autolink styling. Right away after autolink is created during the user input, the following symbols are inserted without a proper style. This PR fixes that by keeping the style of the newly inserted text node.

Description

Closes #6155

Test plan

1. Open https://playground.lexical.dev/
2. Clear the editor
3. Set font size to anything other than the default 15
4. Start typing "www.github.com"
5. See an autolink is created with proper styles.

Before

See #6155

After

Screen.Recording.2024-06-07.at.17.59.08.mov

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
lexical	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 7, 2024 11:01pm
lexical-playground	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 7, 2024 11:01pm

[github-actions]

size-limit report 📦

Path	Size
lexical - cjs	28.33 KB (0%)
lexical - esm	28.14 KB (0%)
@lexical/rich-text - cjs	36.75 KB (0%)
@lexical/rich-text - esm	28.09 KB (0%)
@lexical/plain-text - cjs	35.33 KB (0%)
@lexical/plain-text - esm	25.31 KB (0%)
@lexical/react - cjs	38.54 KB (0%)
@lexical/react - esm	29.17 KB (0%)