feat: Add excel export (#22006)

Co-authored-by: Igor Șincariov <igorsinc@pm.me>
Co-authored-by: EugeneTorap <evgenykrutpro@gmail.com>

superset/common/chart_data.py

@@ -15,6 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 from enum import Enum
+from typing import Set
 
 
 class ChartDataResultFormat(str, Enum):
@@ -24,6 +25,11 @@ class ChartDataResultFormat(str, Enum):
 
     CSV = "csv"
     JSON = "json"
+    XLSX = "xlsx"
+
+    @classmethod
+    def table_like(cls) -> Set["ChartDataResultFormat"]:
+        return {cls.CSV} | {cls.XLSX}
 
 
 class ChartDataResultType(str, Enum):