message: fix: default when adding tab_state.hide_left_bar
diff: @@ -29,12 +29,18 @@ down_revision = "1412ec1e5a7b"
  import sqlalchemy as sa
  from alembic import op
  from sqlalchemy.dialects import mysql
  +from sqlalchemy.sql import expression
  def upgrade():
  with op.batch_alter_table("tab_state") as batch_op:
  batch_op.add_column(
  - sa.Column("hide_left_bar", sa.Boolean(), nullable=False, default=False)
  + sa.Column(
  + "hide_left_bar",
  + sa.Boolean(),
  + nullable=False,
  + server_default=expression.false(),
  + )
  )
  