[FIR] Fix incorrect work of K2 expect-actual matcher when actual is Java

...field, which is fake override.
This was failing in Stdlib with `expect HashMap` + actual typealias to
`java.util.HashMap`.

^KT-63624 Fixed

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/mpp/FirExpectActualMatchingContextImpl.kt

@@ -437,7 +437,7 @@ class FirExpectActualMatchingContextImpl private constructor(
         get() = asSymbol().rawStatus.hasStableParameterNames
 
     override val CallableSymbolMarker.isJavaField: Boolean
-        get() = this is FirFieldSymbol && fir.isJava
+        get() = this is FirFieldSymbol && this.fir.unwrapFakeOverrides().isJava
 
     override val DeclarationSymbolMarker.annotations: List<AnnotationCallInfo>
         get() = asSymbol().resolvedAnnotationsWithArguments.map(::AnnotationCallInfoImpl)

compiler/testData/diagnostics/tests/multiplatform/implicitActualFakeOverride_AbstractMap.fir.kt

@@ -12,4 +12,4 @@
 
 import java.util.AbstractMap
 
-public actual abstract class <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS, NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>AbstractMutableMap<!><K, V>() : MutableMap<K, V>, AbstractMap<K, V>()
+public actual abstract class <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>AbstractMutableMap<!><K, V>() : MutableMap<K, V>, AbstractMap<K, V>()

compiler/testData/diagnostics/tests/multiplatform/implicitActualFakeOverride_AbstractMap.ll.kt

@@ -12,4 +12,4 @@ public expect abstract class AbstractMutableMap<K, V> : MutableMap<K, V> {
 
 import java.util.AbstractMap
 
-public actual abstract class <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS, NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>AbstractMutableMap<!><K, V>() : MutableMap<K, V>, AbstractMap<K, V>()
+public actual abstract class <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>AbstractMutableMap<!><K, V>() : MutableMap<K, V>, AbstractMap<K, V>()

compiler/testData/diagnostics/tests/multiplatform/java/propertyAgainstFakeOverrideOfJavaField.fir.kt

@@ -1,28 +0,0 @@
-// MODULE: m1-common
-// FILE: common.kt
-expect class MyHashMap<K, V> {
-    val values: Collection<V>
-}
-
-// MODULE: m2-jvm()()(m1-common)
-// FILE: jvm.kt
-interface MyMap<K, V> {
-    val values: Collection<V>
-}
-
-actual typealias <!NO_ACTUAL_CLASS_MEMBER_FOR_EXPECTED_CLASS!>MyHashMap<!><K, V> = MyHashMapJava<K, V>
-
-// FILE: MyHashMapJava.java
-import java.util.Collection;
-
-public final class MyHashMapJava<K, V> extends AbstractMyHashMap<K, V> {
-    // fake override of field AbstractMyHashMap.values
-}
-abstract class AbstractMyHashMap<K, V> implements MyMap<K, V> {
-    protected Collection<V> values;
-
-    @Override
-    public Collection<V> getValues() {
-        return values;
-    }
-}

compiler/testData/diagnostics/tests/multiplatform/java/propertyAgainstFakeOverrideOfJavaField.kt

@@ -1,3 +1,4 @@
+// FIR_IDENTICAL
 // MODULE: m1-common
 // FILE: common.kt
 expect class MyHashMap<K, V> {