Auto-completion doesn't work for non build-in commands and path with [] #14015
Description
Path auto-completion doesn't work for non build-in commands if path contain square brackets symbols.
Steps to reproduce
New-Item -Type File -Name '[test].txt'
Copy-Item '``[ + <TAB> work and became Copy-Item '.\`[test`].txt'
notepad '``[ + <TAB> doesn't work
Expected behavior
TAB-key auto-complete path for any command.
Actual behavior
Path auto-completion doesn't work if command not pwsh build-in.
Environment data
PSVersion 7.0.3
PSEdition Core
GitCommitId 7.0.3
OS Microsoft Windows 10.0.19042
Platform Win32NT
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0…}
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1
WSManStackVersion 3.0