[Gradle] Fix MppCompositeBuildIT.test - sample1 - ide dependencies

The test was trying to invoke a task from the root project prepending it with two colons, which became an error since 7.6
#KT-53811 In Progress

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/mpp/MppCompositeBuildIT.kt

@@ -85,7 +85,7 @@ class MppCompositeBuildIT : KGPBaseTest() {
             buildGradleKts.replaceText("<kgp_version>", KOTLIN_VERSION)
             projectPath.resolve("included-build/build.gradle.kts").replaceText("<kgp_version>", KOTLIN_VERSION)
 
-            resolveIdeDependencies(":") { dependencies ->
+            resolveIdeDependencies { dependencies ->
                 dependencies["commonMain"].assertMatches(
                     kotlinStdlibDependencies,
                     regularSourceDependency("included-build::included/commonMain")