[lc] KotlinAsJavaSupportBase: make ifValid inline

^KT-50241

analysis/light-classes-base/src/org/jetbrains/kotlin/asJava/KotlinAsJavaSupportBase.kt

@@ -199,7 +199,7 @@ abstract class KotlinAsJavaSupportBase<TModule>(protected val project: Project)
     }
 }
 
-private fun <T : PsiElement, V> ifValid(element: T, action: () -> V?): V? {
+private inline fun <T : PsiElement, V> ifValid(element: T, action: () -> V?): V? {
     if (!element.isValid) return null
     return action()
 }