Fix rendering of list in access control docs

[hashhar]

Description

Fixes bulleted list at https://trino.io/docs/current/security/file-system-access-control.html#visibility

Is this change a fix, improvement, new feature, refactoring, or other?

Is this a change to the core query engine, a connector, client library, or the SPI interfaces? (be specific)

How would you describe this change to a non-technical end user or system administrator?

Related issues, pull requests, and links

Documentation

(x) No documentation is needed.
( ) Sufficient documentation is included in this PR.
( ) Documentation PR is available with #prnumber.
( ) Documentation issue #issuenumber is filed, and can be handled later.

Release notes

(x) No release notes entries required.
( ) Release notes entries required with the following suggested text:

# Section
* Fix some things. ({issue}`issuenumber`)

[ebyhr]

I think L345 in Session property rules section needs fix as well.

[hashhar]

Thanks for catching that @ebyhr. Fixed as well. I couldn't find any other such occurrences within this file. (searching for any * not at beginning of line).