Light classes: do not rely on dummy context when data class autogenerated members conflict with declared members

Fix related issues with nested classes

compiler/testData/asJava/lightClasses/DataClassWithCustomImplementedMembers.kt

@@ -0,0 +1,20 @@
+// p.Wrapper
+package p
+
+class Wrapper {
+    data class Equals(val code: G) {
+        override fun equals(other: Any?): Boolean = true
+    }
+
+    data class HashCode(val code: G) {
+        override fun hashCode() = 3
+    }
+
+    data class ToString(val code: G) {
+        override fun toString() = "b"
+    }
+}
+
+class G
+
+// LAZINESS:NoLaziness

compiler/testData/asJava/lightClasses/DelegatedNested.java

@@ -0,0 +1,13 @@
+public final class B {
+    public B() { /* compiled code */ }
+
+    public static final class A implements p.I {
+        private final p.I f;
+
+        public A(@org.jetbrains.annotations.NotNull p.I f) { /* compiled code */ }
+
+        public void f() { /* compiled code */ }
+
+        public void g() { /* compiled code */ }
+    }
+}

compiler/testData/asJava/lightClasses/DelegatedNested.kt

@@ -0,0 +1,15 @@
+// p.B
+package p
+
+class B {
+    class A(private val f: I) : I by f {
+    }
+}
+
+interface I {
+    fun g()
+
+    fun f()
+}
+
+// LAZINESS:NoLaziness