fix: add loading to delete event dialog (#11102)

* add loading to delete event dialog

* chore: use mutation isLoading

Signed-off-by: Udit Takkar <udit.07814802719@cse.mait.ac.in>

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Signed-off-by: Udit Takkar <udit.07814802719@cse.mait.ac.in>
Co-authored-by: Udit Takkar <udit.07814802719@cse.mait.ac.in>

apps/web/pages/event-types/index.tsx

@@ -662,6 +662,7 @@ export const EventTypeList = ({ group, groupIndex, readOnly, types }: EventTypeL
           title={t(`delete${isManagedEventPrefix()}_event_type`)}
           confirmBtnText={t(`confirm_delete_event_type`)}
           loadingText={t(`confirm_delete_event_type`)}
+          isLoading={deleteMutation.isLoading}
           onConfirm={(e) => {
             e.preventDefault();
             deleteEventTypeHandler(deleteDialogTypeId);