Move fields and init blocks of companions to their owners

compiler/testData/codegen/box/jvmField/initializersOrder.kt

@@ -0,0 +1,36 @@
+// TARGET_BACKEND: JVM
+// WITH_RUNTIME
+
+import kotlin.test.assertEquals
+
+class WithCompanion {
+    companion object {
+        var a = 0
+        init {
+            a++
+        }
+        @JvmField var b = a
+        init {
+            b++
+        }
+        val c = b
+    }
+}
+
+object Object {
+    var a = 0
+    init {
+        a++
+    }
+    @JvmField var b = a
+    init {
+        b++
+    }
+    val c = b
+}
+
+fun box(): String {
+    assertEquals<Int>(2, WithCompanion.c, "Field WithCompanion.c")
+    assertEquals<Int>(2, Object.c, "Field Object")
+    return "OK"
+}