[Fix] `bash_completion`: move compinit before bashcompinit

bash_completion

@@ -84,12 +84,13 @@ __nvm() {
 # called bashcompinit that will create a complete in ZSH. If the user is in
 # ZSH, load and run bashcompinit before calling the complete function.
 if [[ -n ${ZSH_VERSION-} ]]; then
-  autoload -U +X bashcompinit && bashcompinit
+  # Calling compinit first and then bashcompinit as mentioned by zsh man page.
   autoload -U +X compinit && if [[ ${ZSH_DISABLE_COMPFIX-} = true ]]; then
     compinit -u
   else
     compinit
   fi
+  autoload -U +X bashcompinit && bashcompinit
 fi
 
 complete -o default -F __nvm nvm