**Apache Airflow version**: 2.1.1

**What happened**:

For user with "Op" role following menu items are not visible in navigation panel, however pages are accessible (roles has access to it):
- "Browse" -> "DAG Dependencies"
- "Admin" -> "Configurations"

**What you expected to happen**: available menu items in navigation panel
tests/www/test_security.py
id = Column(Integer, primary_key=True)
    field_string = Column(String(50), unique=True, nullable=False)
    field_integer = Column(Integer())
    field_float = Column(Float())
    field_date = Column(Date())
    def __repr__(self):
        return str(self.field_string)
class SomeModelView(ModelView):