fix(clipboard): load clipboard on usage

Closes #8827

lib/clipboard.zsh

@@ -100,8 +100,8 @@ function detect-clipboard() {
   fi
 }
 
-# Detect at startup. A non-zero exit here indicates that the dummy clipboards were set,
+function clipcopy clippaste {
-# which is not really an error. If the user calls them, they will attempt to redetect
+  unfunction clipcopy clippaste
-# (for example, perhaps the user has now installed xclip) and then either print an error
+  detect-clipboard || true # let one retry
-# or proceed successfully.
+  "$0" "$@"
-detect-clipboard || true
+}