[SM-949] Add endpoint to fetch events by service account (#3336)

* Add ability to fetch events by service account

* Extract GetDateRange into ApiHelpers util

* Add dapper implementation

* Add EF repo implementation

* Add authz handler case

* unit + integration tests for controller

* swap to read check

* Adding comments

* Fix integration tests from merge

* Enabled SM events controller for self-hosting

src/Core/Repositories/IEventRepository.cs

@@ -19,4 +19,6 @@ public interface IEventRepository
         PageOptions pageOptions);
     Task CreateAsync(IEvent e);
     Task CreateManyAsync(IEnumerable<IEvent> e);
+    Task<PagedResult<IEvent>> GetManyByOrganizationServiceAccountAsync(Guid organizationId, Guid serviceAccountId,
+        DateTime startDate, DateTime endDate, PageOptions pageOptions);
 }