[FE Test] Move FIR dumps for LoadCompiledKotlin tests close to original testdata

compiler/testData/loadJava/compiledKotlinWithStdlib/fromLoadJava/ObjectInClass.fir.txt

@@ -0,0 +1,12 @@
+public final class A : R|kotlin/Any| {
+    public constructor(): R|test/A|
+
+    public final object B : R|kotlin/Any| {
+        public final fun foo(a: R|kotlin/Int|): R|kotlin/String|
+
+        private constructor(): R|test/A.B|
+
+    }
+
+}
+