Lexical version: 0.31.2

Steps To Reproduce

1. In Playground, create Code block and input multilines.
2. Triple-click any text.

The current behavior

Triple-click selects the whole parent element of the clicked line.

The expected behavior

Triple-click selects the clicked line.

Impact of fix

This bug affects triple-click selections when selected line is in multiline container element such as:

• QuoteNode in RichText mode
• CodeNode in RichText mode
• Anything in PlainText mode