fix(migration): add server_default to v1_enabled column migration (#11828)

Co-authored-by: openhands <openhands@all-hands.dev>

enterprise/migrations/versions/083_add_v1_enabled_to_user_settings.py

@@ -22,7 +22,13 @@ def upgrade() -> None:
     """Add v1_enabled column to user_settings table."""
     op.add_column(
         'user_settings',
-        sa.Column('v1_enabled', sa.Boolean(), nullable=False, default=False),
+        sa.Column(
+            'v1_enabled',
+            sa.Boolean(),
+            nullable=False,
+            default=False,
+            server_default='FALSE',
+        ),
     )