Add DB migrations for index on idzId, active and type

Author: adrianhoelzl-sap

server/src/main/resources/org/cloudfoundry/identity/uaa/db/hsqldb/V4_111__IdP_active_and_type_in_zone_Index.sql

@@ -0,0 +1 @@
+CREATE INDEX IF NOT EXISTS active_and_type_in_zone ON identity_provider (identity_zone_id, active, type);

server/src/main/resources/org/cloudfoundry/identity/uaa/db/mysql/V4_111__IdP_active_and_type_in_zone_Index.sql

@@ -0,0 +1 @@
+CREATE INDEX active_and_type_in_zone ON identity_provider (identity_zone_id, active, type) LOCK = SHARED;

server/src/main/resources/org/cloudfoundry/identity/uaa/db/postgresql/V4_111__IdP_active_and_type_in_zone_Index.sql

@@ -0,0 +1 @@
+CREATE INDEX CONCURRENTLY IF NOT EXISTS active_and_type_in_zone on identity_provider (identity_zone_id, active, type);