perf(pyenv): do not check if it's disabled (#11338)

plugins/pyenv/pyenv.plugin.zsh

@@ -78,7 +78,7 @@ if [[ $FOUND_PYENV -eq 1 ]]; then
   eval "$(pyenv init - --no-rehash zsh)"
 
   # If pyenv-virtualenv exists, load it
-  if [[ "$(pyenv commands)" =~ "virtualenv-init" && "$ZSH_PYENV_VIRTUALENV" != false ]]; then
+  if [[ "$ZSH_PYENV_VIRTUALENV" != false && "$(pyenv commands)" =~ "virtualenv-init" ]]; then
     eval "$(pyenv virtualenv-init - zsh)"
   fi