[IR] Fix file modules after actualization

When files from different IrModules are merged in IrActualizer
their IrModule link was not updated. This led to assuming them
as different modules, and incorrect internal visibility handling.

^KT-62623

wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/FirWasmCodegenBoxTestGenerated.java

@@ -23568,6 +23568,12 @@ public class FirWasmCodegenBoxTestGenerated extends AbstractFirWasmCodegenBoxTes
                 runTest("compiler/testData/codegen/box/multiplatform/k2/expectValInInlineClass.kt");
             }
 
+            @Test
+            @TestMetadata("internalOverride.kt")
+            public void testInternalOverride() throws Exception {
+                runTest("compiler/testData/codegen/box/multiplatform/k2/internalOverride.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/testData/codegen/box/multiplatform/k2/annotations")
             @TestDataPath("$PROJECT_ROOT")

wasm/wasm.tests/tests-gen/org/jetbrains/kotlin/wasm/test/K1WasmCodegenBoxTestGenerated.java

@@ -23568,6 +23568,12 @@ public class K1WasmCodegenBoxTestGenerated extends AbstractK1WasmCodegenBoxTest
                 runTest("compiler/testData/codegen/box/multiplatform/k2/expectValInInlineClass.kt");
             }
 
+            @Test
+            @TestMetadata("internalOverride.kt")
+            public void testInternalOverride() throws Exception {
+                runTest("compiler/testData/codegen/box/multiplatform/k2/internalOverride.kt");
+            }
+
             @Nested
             @TestMetadata("compiler/testData/codegen/box/multiplatform/k2/annotations")
             @TestDataPath("$PROJECT_ROOT")