fix(termsupport): ensure non-error return code (#13217)

Closes #13106

lib/termsupport.zsh

@@ -53,7 +53,7 @@ function omz_termsupport_precmd {
 
 # Runs before executing the command
 function omz_termsupport_preexec {
-  [[ "${DISABLE_AUTO_TITLE:-}" != true ]] || return
+  [[ "${DISABLE_AUTO_TITLE:-}" != true ]] || return 0
 
   emulate -L zsh
   setopt extended_glob

plugins/keychain/keychain.plugin.zsh

@@ -24,9 +24,9 @@ function {
   # start keychain, only use --agents for versions below 2.9.0
 	autoload -Uz is-at-least
 	if is-at-least 2.9 "$version_string"; then
-		keychain ${^options:-} --agents ${agents:-gpg} ${^identities} --host $SHORT_HOST
-	else
 		keychain ${^options:-} ${^identities} --host $SHORT_HOST
+	else
+		keychain ${^options:-} --agents ${agents:-gpg} ${^identities} --host $SHORT_HOST
 	fi
 
 	# Get the filenames to store/lookup the environment from