simplify code a little bit

internal/p10k.zsh

@@ -6902,8 +6902,11 @@ function _p9k_wrap_widgets() {
 
 function _p9k_restore_prompt() {
   eval "$__p9k_intro"
-  {
+  zle -F $1
-    (( _p9k__must_restore_prompt )) || return
+  exec {1}>&-
+  _p9k__restore_prompt_fd=0
+
+  (( _p9k__must_restore_prompt )) || return 0
   _p9k__must_restore_prompt=0
 
   unset _p9k__line_finished
@@ -6916,11 +6919,6 @@ function _p9k_restore_prompt() {
   _p9k__expanded=0
   _p9k_reset_prompt
   P9K_TTY=$tty
-  } always {
-    zle -F $1
-    exec {1}>&-
-    _p9k__restore_prompt_fd=0
-  }
 }
 
 prompt__p9k_internal_nothing() { _p9k__prompt+='${_p9k__sss::=}'; }