[FIR Test] Migrate AbstractFirLoadCompiledKotlin to new test infrastructure

Also introduce two different modes for those tests:
- load metadata compiled with K1
- load metadata compiled with K2

compiler/testData/loadJava/compiledKotlin/annotations/parameters/InnerClassConstructor.fir.k1.txt

@@ -26,4 +26,3 @@ public final class Outer : R|kotlin/Any| {
     }
 
 }
-

compiler/testData/loadJava/compiledKotlin/annotations/parameters/InnerClassConstructor.fir.k2.txt

@@ -0,0 +1,28 @@
+public final annotation class A : R|kotlin/Annotation| {
+    public final val s: R|kotlin/String|
+        public get(): R|kotlin/String|
+
+    public constructor(s: R|kotlin/String|): R|test/A|
+
+}
+
+public final class Outer : R|kotlin/Any| {
+    public constructor(): R|test/Outer|
+
+    public final class Nested : R|kotlin/Any| {
+        public final val x: R|kotlin/String|
+            public get(): R|kotlin/String|
+
+        public constructor(@R|test/A|(s = String(nested)) x: R|kotlin/String|): R|test/Outer.Nested|
+
+    }
+
+    public final inner class Inner : R|kotlin/Any| {
+        public final val y: R|kotlin/String|
+            public get(): R|kotlin/String|
+
+        public test/Outer.constructor(@R|test/A|(s = String(inner)) y: R|kotlin/String|): R|test/Outer.Inner|
+
+    }
+
+}