Allow users to edit Date Range Dimension in the ActiveCampaign connector#1368

Currently, the connector automatically uses contact_created_at (Lead Creation Date) as the default date dimension for filtering. This pre-filtering prevents users from analyzing metrics based on other date fields, such as enrollment_date.

Should allow selecting other date options like Salesforce or Hubspot connectors

we have added more date filtering options now for the activecampaign connector