Fix signature mapping for built-in methods inside erased inline class

compiler/testData/diagnostics/tests/inlineClasses/inlineClassImplementsCollection.kt

@@ -0,0 +1,12 @@
+// !LANGUAGE: +InlineClasses
+
+inline class UInt(val x: Int)
+
+inline class UIntArray(private val storage: IntArray) : Collection<UInt> {
+    public override val size: Int get() = storage.size
+
+    override operator fun iterator() = TODO()
+    override fun contains(element: UInt): Boolean = TODO()
+    override fun containsAll(elements: Collection<UInt>): Boolean = TODO()
+    override fun isEmpty(): Boolean = TODO()
+}

compiler/testData/diagnostics/tests/inlineClasses/inlineClassImplementsCollection.txt

@@ -0,0 +1,22 @@
+package
+
+public final inline class UInt {
+    public constructor UInt(/*0*/ x: kotlin.Int)
+    public final val x: kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public final inline class UIntArray : kotlin.collections.Collection<UInt> {
+    public constructor UIntArray(/*0*/ storage: kotlin.IntArray)
+    public open override /*1*/ val size: kotlin.Int
+    private final val storage: kotlin.IntArray
+    public open override /*1*/ fun contains(/*0*/ element: UInt): kotlin.Boolean
+    public open override /*1*/ fun containsAll(/*0*/ elements: kotlin.collections.Collection<UInt>): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ fun isEmpty(): kotlin.Boolean
+    public open override /*1*/ fun iterator(): kotlin.Nothing
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}