[FIR] Reuse enhancement storage during creation of synthetic properies

^KT-61972 Fixed

compiler/testData/codegen/box/properties/propertyInUpperCaseWithJava.kt

@@ -0,0 +1,28 @@
+// TARGET_BACKEND: JVM_IR
+// ISSUE: KT-61972
+
+// FILE: Base.kt
+interface Base {
+    val URL: String
+}
+
+// FILE: Derived.java
+public class Derived implements Base {
+    private String value;
+
+    public Derived(String value) {
+        this.value = value;
+    }
+
+    @java.lang.Override
+    public String getURL() {
+        return value;
+    }
+}
+
+// FILE: main.kt
+fun box(): String {
+    val d1 = Derived("O")
+    val d2 = Derived("K")
+    return d1.URL + d2.getURL()
+}