add back the "$1" in rewrittenList (type of command - amend or rebase)

Signed-off-by: Kipras Melnikovas <[email protected]>

Author: kiprasmel

git-stacked-rebase.ts

@@ -650,6 +650,7 @@ REWRITTEN_LIST_BACKUP_FILE_PATH="$STACKED_REBASE_DIR/${filenames.rewrittenList}"
 #EOF
 
 cat >> "$REWRITTEN_LIST_BACKUP_FILE_PATH" <<EOF
+$1
 $(cat /dev/stdin)
 
 EOF