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

compiler/testData/loadJava/compiledKotlin/annotations/classes/DataClass.fir.txt

@@ -0,0 +1,17 @@
+public final data class My : R|kotlin/Any| {
+    public final operator fun component1(): R|kotlin/Int|
+
+    public final fun copy(x: R|kotlin/Int| = STUB): R|test/My|
+
+    public open operator fun equals(other: R|kotlin/Any?|): R|kotlin/Boolean|
+
+    public open fun hashCode(): R|kotlin/Int|
+
+    public open fun toString(): R|kotlin/String|
+
+    public final val x: R|kotlin/Int|
+        public get(): R|kotlin/Int|
+
+    public constructor(x: R|kotlin/Int|): R|test/My|
+
+}