fix(SubPlat): Only generate "Mozilla Account Change" and "Plan Change" events for active subscriptions (DENG-9770). (#8176)

Author: sean-rose

sql/moz-fx-data-shared-prod/subscription_platform_derived/logical_subscription_events_v1_live/view.sql

@@ -60,6 +60,7 @@ mozilla_account_change_events AS (
   WHERE
     old_subscription IS NOT NULL
     AND subscription.mozilla_account_id_sha256 IS DISTINCT FROM old_subscription.mozilla_account_id_sha256
+    AND subscription.ended_at IS NULL
 ),
 plan_change_events AS (
   SELECT
@@ -91,6 +92,7 @@ plan_change_events AS (
     subscription_changes
   WHERE
     subscription.provider_plan_id != old_subscription.provider_plan_id
+    AND subscription.ended_at IS NULL
 ),
 trial_change_events AS (
   SELECT

sql/moz-fx-data-shared-prod/subscription_platform_derived/service_subscription_events_v1_live/view.sql

@@ -64,6 +64,7 @@ mozilla_account_change_events AS (
   WHERE
     old_subscription IS NOT NULL
     AND subscription.mozilla_account_id_sha256 IS DISTINCT FROM old_subscription.mozilla_account_id_sha256
+    AND subscription.ended_at IS NULL
 ),
 plan_change_events AS (
   SELECT
@@ -105,6 +106,7 @@ plan_change_events AS (
     subscription_changes
   WHERE
     subscription.provider_plan_id != old_subscription.provider_plan_id
+    AND subscription.ended_at IS NULL
 ),
 trial_change_events AS (
   SELECT