TUI doesn't see any files in hidden directories

[tony-sol]

Describe the bug
glow's TUI says there is 0 files if target directory contains hidden directory in realpath

Setup
Please complete the following information along with version numbers, if applicable.

• OS: macOS
• Shell: zsh
• Terminal Emulator: wezterm
• Terminal Multiplexer: tmux
• Locale: en_US.UTF-8

To Reproduce
Steps to reproduce the behavior:

1. set all: true in config file
2. cd $(mktemp -d)
3. mkdir {test,.test}
4. echo '# Hey' | tee test/README.md test/.hidden.md .test/README.md
5. glow ./
6. see "1 documents test/README.md"
7. cd .test
8. glow ./
9. see "0 documents"

Source Code
no need

Expected behavior

1. TUI should search for files in cwd, no matter cwd realpath contains hidden directories or not, due to explicit cwd set.
2. Described in glow's README config option

# show all files, including hidden and ignored.
all: true

should works as described

Screenshots

Additional context
none