Full text custom collector needs a minor correction to database placeholder for db names with spaces or numeric values at the beginning

[PiJoCoder]

Do you want to request a feature or report a bug?
Bug

What is the current behavior?
sp_msforeachdb 'IF EXISTS (select * from ?.sys.fulltext_catalogs) would fail if the database name contains spaces or numeric values at the beginning

**If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem **
Collect this on a SQL Server where you have db names with spaces

What is the expected behavior?
The script to collect information successfully

Which versions of SQL Server and which OS are affected by this issue? Did this work in previous versions of our procedures?
Issues has been there all along