[Bug] Paste Text as single Node

[StroeAndreX]

Bug Description

The pasted lines are still treated as a single text node. This behavior breaks many Rich Text features (e.g., headings or lists) as it affects all the pasted content.

How to Reproduce

Copy and Paste multi-line or multi-paragraph text into the editor

Expected Behavior

Each breakline / paragraph treated as new node

Operating System

MacOS

AppFlowy Editor Version(s)

6.1.0

Screenshots

No response

Additional Context

No response