fix(import): only import FORMULA annotations (#26652)

superset/cli/importexport.py

@@ -130,12 +130,13 @@ def export_datasources(datasource_file: Optional[str] = None) -> None:
 @click.option(
     "--path",
     "-p",
+    required=True,
     help="Path to a single ZIP file",
 )
 @click.option(
     "--username",
     "-u",
-    default=None,
+    required=True,
     help="Specify the user name to assign dashboards to",
 )
 def import_dashboards(path: str, username: Optional[str]) -> None: