Flows file name not set, generating name using hostname

@dceejay The OP issue is apparently resolved, but your comment left me questioning this...

(node:22160) Warning: Setting the NODE_TLS_REJECT_UNAUTHORIZED environment variable to '0' makes TLS connections and HTTPS requests insecure by disabling certificate verification.

Is that what this warning actually means?? (Googling it seems unclear, but marks it as irrelevant) I am unaware of any missing or failed flows in my setup but I get the same message. I am fairly sure I have always seen it since day one with Node-Red.

And attempting to run any node --trace-warnings just seemed to drop me into a node.js editor...

pi@raspberrypi:~ $ node --trace-warnings
Welcome to Node.js v14.17.2.
Type ".help" for more information.
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