Refactor restoreOnly method to use InMemoryEventStore for simplified sourcing strategy.

Author: helightdev

krescent-core/src/main/kotlin/dev/helight/krescent/model/ReadModelBase.kt

@@ -5,6 +5,7 @@ import dev.helight.krescent.source.EventSourcingStrategy
 import dev.helight.krescent.source.StoredEventSource
 import dev.helight.krescent.source.StreamingEventSource
 import dev.helight.krescent.source.UpgradingStreamingEventSource
+import dev.helight.krescent.source.impl.InMemoryEventStore
 import dev.helight.krescent.source.strategy.CatchupSourcingStrategy
 import dev.helight.krescent.source.strategy.NoSourcingStrategy
 import dev.helight.krescent.source.strategy.StreamingSourcingStrategy
@@ -35,8 +36,8 @@ abstract class ReadModelBase(
         suspend fun <M : ReadModelBase> M.stream(source: StreamingEventSource) =
             this.strategy(source, StreamingSourcingStrategy())
 
-        suspend fun <M : ReadModelBase> M.restoreOnly(source: StoredEventSource) =
-            this.strategy(UpgradingStreamingEventSource(source), NoSourcingStrategy())
+        suspend fun <M : ReadModelBase> M.restoreOnly() =
+            this.strategy(InMemoryEventStore(), NoSourcingStrategy())
 
     }
 }