Lmod 8.7.50 for Debian and Ubuntu

Lmod 8.7.50 for Debian and Ubuntu

Full Changelog: 8.7.49...8.7.50

(8.7.50) * PR TACC#724: Emacs lisp integration updated.
* Issue TACC#718: use command -v instead of checking status $?
* Issue TACC#690: change --hidden_load to --hidden-loaded for TCL
change hidden_load to hidden_loaded in Lua.
* Report dofile() usage as an error.
* Updated FPATH support: bash, ksh just add path (init/ksh_funcs) to FPATH
zsh: if autoload && compinit fail then set __zsh_fpath with sub-shell
* improve addto to not include duplicates in path like variables (PATH, FPATH. ,,. )
* Add support for --dumpname in lmod and ml; Update tab completions files
* PR TACC#727: Do not reset BASH_ENV if already set for cshrc.in
* Do not reset BASH_ENV if already set for profile.in