Fix starting NVDA with `--no-logging` flag (#19350)
Closes #19333
Fix-up of #19175.
Summary of the issue:
NVDA was crashing at startup when using --no-logging command line flag.
Description of user facing changes:
NVDA can start again when using the --nologging flag.
Description of developer facing changes:
N/A
Description of development approach:
When loading the crash list file, also test if its path is None since this is the case when using --no-logging flag.