[JVM_IR] Fix check for inline class property backing in lowering.

The inline class lowering would attempt to lower a companion object
property backing field.

^KT-47762 Fixed.

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/es6/semantics/IrJsCodegenBoxES6TestGenerated.java

@@ -13637,6 +13637,11 @@ public class IrJsCodegenBoxES6TestGenerated extends AbstractIrJsCodegenBoxES6Tes
             runTest("compiler/testData/codegen/box/inlineClasses/kt46554.kt");
         }
 
+        @TestMetadata("kt47762.kt")
+        public void testKt47762() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/kt47762.kt");
+        }
+
         @TestMetadata("mangledDefaultParameterFunction.kt")
         public void testMangledDefaultParameterFunction() throws Exception {
             runTest("compiler/testData/codegen/box/inlineClasses/mangledDefaultParameterFunction.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/ir/semantics/IrJsCodegenBoxTestGenerated.java

@@ -13043,6 +13043,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/inlineClasses/kt46554.kt");
         }
 
+        @TestMetadata("kt47762.kt")
+        public void testKt47762() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/kt47762.kt");
+        }
+
         @TestMetadata("mangledDefaultParameterFunction.kt")
         public void testMangledDefaultParameterFunction() throws Exception {
             runTest("compiler/testData/codegen/box/inlineClasses/mangledDefaultParameterFunction.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/semantics/JsCodegenBoxTestGenerated.java

@@ -13108,6 +13108,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
             runTest("compiler/testData/codegen/box/inlineClasses/kt46554.kt");
         }
 
+        @TestMetadata("kt47762.kt")
+        public void testKt47762() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/kt47762.kt");
+        }
+
         @TestMetadata("mangledDefaultParameterFunction.kt")
         public void testMangledDefaultParameterFunction() throws Exception {
             runTest("compiler/testData/codegen/box/inlineClasses/mangledDefaultParameterFunction.kt");

js/js.tests/tests-gen/org/jetbrains/kotlin/js/test/wasm/semantics/IrCodegenBoxWasmTestGenerated.java

@@ -7158,6 +7158,11 @@ public class IrCodegenBoxWasmTestGenerated extends AbstractIrCodegenBoxWasmTest
             runTest("compiler/testData/codegen/box/inlineClasses/kt46554.kt");
         }
 
+        @TestMetadata("kt47762.kt")
+        public void testKt47762() throws Exception {
+            runTest("compiler/testData/codegen/box/inlineClasses/kt47762.kt");
+        }
+
         @TestMetadata("mangledDefaultParameterFunction.kt")
         public void testMangledDefaultParameterFunction() throws Exception {
             runTest("compiler/testData/codegen/box/inlineClasses/mangledDefaultParameterFunction.kt");