[Gradle] KotlinMetadataTargetConfigurator: Support metadataCompilationsCreated for !isKotlinGranularMetadataEnabled

^KT-34662 Verification Pending

libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/targets/metadata/KotlinMetadataTargetConfigurator.kt

@@ -106,6 +106,9 @@ class KotlinMetadataTargetConfigurator :
             if (target.project.isCompatibilityMetadataVariantEnabled) {
                 createCommonMainElementsConfiguration(target)
             }
+        } else {
+            /* We had nothing to do: Still mark this job as complete */
+            target.metadataCompilationsCreated.complete()
         }
     }