feat(scw): use official scw completion (#12755)

plugins/scw/scw.plugin.zsh

@@ -0,0 +1,14 @@
+if (( ! $+commands[scw] )); then
+  return
+fi
+
+_scw () {
+  output=($(scw autocomplete complete zsh -- ${CURRENT} ${words}))
+  opts=('-S' ' ')
+  if [[ $output == *= ]]; then
+    opts=('-S' '')
+  fi
+  compadd "${opts[@]}" -- "${output[@]}"
+}
+
+compdef _scw scw