Update qldoc FunctionAccess class
Update qldoc FunctionAccess class

The `FunctionAccess` class doesn't capture accesses of functions in function call expressions.
This update makes that explicit.
github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql,github/codeql