Set reduced max-deduplication-duration in ManualStartIntegrationTest (#3398)

Signed-off-by: Julien Tinguely <julien.tinguely@digitalasset.com>

Author: julientinguely-da

apps/app/src/test/resources/standalone-participant-sv1-reduced-max-dedup-duration.conf

@@ -0,0 +1 @@
+canton.participants.sv1StandaloneParticipant.init.ledger-api.max-deduplication-duration = "30s"

apps/app/src/test/scala/org/lfdecentralizedtrust/splice/integration/tests/ManualStartIntegrationTest.scala

@@ -144,7 +144,10 @@ class ManualStartIntegrationTest
         adminUsersFromSvBackends =
           (Some(sv1Backend), Some(sv2Backend), Some(sv3Backend), Some(sv4Backend)),
         logSuffix = s"manual-start",
-        extraParticipantsConfigFileNames = Seq("standalone-participant-extra.conf"),
+        extraParticipantsConfigFileNames = Seq(
+          "standalone-participant-extra.conf",
+          "standalone-participant-sv1-reduced-max-dedup-duration.conf",
+        ),
         extraParticipantsEnvMap = Map(
           "EXTRA_PARTICIPANT_ADMIN_USER" -> aliceValidatorBackend.config.ledgerApiUser,
           "EXTRA_PARTICIPANT_DB" -> ("participant_extra_" + dbsSuffix),