ignore garbage printed by vscode

internal/p10k.zsh

@@ -6536,6 +6536,8 @@ function _p9k_clear_instant_prompt() {
       fi
       print -rn -- $terminfo[rc]${(%):-%b%k%f%s%u}$terminfo[ed]
       local unexpected=${(S)${${content//$'\e[?'<->'c'}//$'\e['<->' q'}//$'\e'[^$'\a\e']#($'\a'|$'\e\\')}
+      # Visual Studio Code prints this garbage.
+      unexpected=${unexpected//$'\033[1;32mShell integration activated\033[0m\n'}
       if [[ -n $unexpected ]]; then
         local omz1='[Oh My Zsh] Would you like to update? [Y/n]: '
         local omz2='Updating Oh My Zsh'