Fix Add-PnPFileSensitivityLabel cmdlet to allow empty string value for resetting file sensitivity label#4566

gautamdsheth merged 1 commit intopnp:devpnp/powershell:devfrom

gautamdsheth:fix/4565-file-issuegautamdsheth/powershell:fix/4565-file-issueCopy head branch name to clipboard