Move kotlinGradleFragmentConsistencyChecker to be a part of class

Fixes 'NoSuchMethodException' on running
'KpmCompilerPluginIT.testTransientPluginOptions' test.

^KT-49227 In Progress

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/resources/testProject/kpmTransientPluginOptions/build.gradle.kts

@@ -7,8 +7,8 @@ plugins {
 }
 
 repositories {
-    mavenCentral()
     mavenLocal()
+    mavenCentral()
 }
 
 plugins.apply(GradleKpmPluginWithTransientPluginOptions::class.java)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/pm20/KotlinGradleFragment.kt

@@ -105,13 +105,9 @@ open class KotlinGradleFragmentInternal @Inject constructor(
         )
 
     override fun toString(): String = "fragment $fragmentName in $containingModule"
-}
 
-val KotlinGradleFragment.refinesClosure: Set<KotlinGradleFragment>
+    private val kotlinGradleFragmentConsistencyChecker =
-    get() = (this as KotlinModuleFragment).refinesClosure.map { it as KotlinGradleFragment }.toSet()
+        FragmentConsistencyChecker(
-
-internal val kotlinGradleFragmentConsistencyChecker =
-    FragmentConsistencyChecker<KotlinGradleFragment>(
             unitsName = "fragments",
             name = { name },
             checks = FragmentConsistencyChecks<KotlinGradleFragment>(
@@ -119,3 +115,7 @@ internal val kotlinGradleFragmentConsistencyChecker =
                 languageSettings = { languageSettings }
             ).allChecks
         )
+}
+
+val KotlinGradleFragment.refinesClosure: Set<KotlinGradleFragment>
+    get() = (this as KotlinModuleFragment).refinesClosure.map { it as KotlinGradleFragment }.toSet()