Request for classic confinement for TDengine snap

[Lin-Buo-Ren]

@shuduo

I see the original mechanism is to get home directory by “getpwuid(getuid())->pw_dir”, I think it did not get $HOME/snap/ directory. May I know if you would suggest what function should be used here to make both classic and snap to read right location?

Refer The homeishome launcher: Fix snapped apps that (wrongly) referring to the user's real home directory instead of $HOME for a possible workaround.

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