Use case would be multi-server networks. This commit ensures that sscconfig.json is read with FileShare.Read enabled and stops writing to config.json and sscconfig.json on server load immediately after reading it if the file already exists, which is a no-op since neither of the config files have changed at that point.
If there's one thing I learned in this exercise, it's that letting
people add random python scripts to the repo like gpltext.py that
promise to be easier than find and replace is a bad idea.
