screen.plugin: Respect DISABLE_AUTO_TITLE variable as in core OMZ

plugins/screen/screen.plugin.zsh

@@ -30,11 +30,14 @@ if [[ "$TERM" == screen* ]]; then
   # tell GNU screen what the tab window title ($1) and the hardstatus($2) should be
   function screen_set()
   {
-    # set the tab window title (%t) for screen
-    print -nR $'\033k'$1$'\033'\\\
-
     # set hardstatus of tab window (%h) for screen
     print -nR $'\033]0;'$2$'\a'
+
+    if [[ "$DISABLE_AUTO_TITLE" == true ]]; then
+      return
+    fi
+    # set the tab window title (%t) for screen
+    print -nR $'\033k'$1$'\033'\\\
   }
   # called by zsh before executing a command
   function preexec()