KT-56843 [SLC] Support unsafe property initializers

compiler/testData/asJava/lightClasses/lightClassByFqName/InvalidJavaIdentifierAsPropertyInitializer.java

@@ -0,0 +1,15 @@
+public final class Big /* Big*/ {
+  @org.jetbrains.annotations.NotNull()
+  private final Size size;
+
+  @org.jetbrains.annotations.NotNull()
+  private final Size[] sizes;
+
+  @org.jetbrains.annotations.NotNull()
+  public final Size getSize();//  getSize()
+
+  @org.jetbrains.annotations.NotNull()
+  public final Size[] getSizes();//  getSizes()
+
+  public  Big();//  .ctor()
+}

compiler/testData/asJava/lightClasses/lightClassByFqName/InvalidJavaIdentifierAsPropertyInitializer.kt

@@ -0,0 +1,7 @@
+// Big
+enum class Size { `2x2`, `3x3` }
+
+class Big {
+    val size = Size.`3x3`
+    val sizes = arrayOf(Size.`3x3`)
+}