Reword a sentence in quick actions doc

What does this MR do?

A sentence ended abruptly ("Once executed,") before a Note block.
I incorporated the beginning of the sentence into the note.

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation (if required)
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Availability and Testing

N/A

Security

N/A