Bug: bash show and config command auto completion does not work

[anamehra]

Is it platform specific

generic

Importance or Severity

Critical

Description of the bug

When pressing tab to auto complete options in show or config command, the auto completion doe snot work.
This looks like due to new click 8 version changes.

Steps to Reproduce

on master image, show plat, it does not auto complete.
show platform doe snot show options.

Actual Behavior and Expected Behavior

tab should auto complete or show options when pressed on show or config CLIs

the following code helps:

_show_completion() {
    COMPREPLY=( $( env COMP_WORDS="${COMP_WORDS[*]}" \
                   COMP_CWORD=$COMP_CWORD \
                   _SHOW_COMPLETE=bash_complete $1 2>/dev/null | \
                   while IFS= read -r line; do
                     [[ "$line" == *,* ]] && echo "${line##*,}"
                   done ) )
    return 0
}

complete -F _show_completion -o default show;

Relevant log output

Output of show version, show techsupport

Attach files (if any)

No response