[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/classMembers/HiddenConstructorWithInlineClassParameters.fir.k1.txt

@@ -41,4 +41,3 @@ public final class Test : R|kotlin/Any| {
     public constructor(x: R|kotlin/Int|): R|test/Z|
 
 }
-

compiler/testData/loadJava/compiledKotlin/annotations/classMembers/HiddenConstructorWithInlineClassParameters.fir.k2.txt

@@ -0,0 +1,43 @@
+public final annotation class Ann : R|kotlin/Annotation| {
+    public constructor(): R|test/Ann|
+
+}
+
+public sealed class Sealed : R|kotlin/Any| {
+    public final val z: R|test/Z|
+        public get(): R|test/Z|
+
+    @R|test/Ann|() protected constructor(@R|test/Ann|() z: R|test/Z|): R|test/Sealed|
+
+    public final class Derived : R|test/Sealed| {
+        @R|test/Ann|() public constructor(z: R|test/Z|): R|test/Sealed.Derived|
+
+    }
+
+}
+
+public final class Test : R|kotlin/Any| {
+    public final val z: R|test/Z|
+        public get(): R|test/Z|
+
+    @R|test/Ann|() public constructor(@R|test/Ann|() z: R|test/Z|): R|test/Test|
+
+    @R|test/Ann|() public constructor(z: R|test/Z|, @R|test/Ann|() a: R|kotlin/Int|): R|test/Test|
+
+    @R|test/Ann|() private constructor(z: R|test/Z|, @R|test/Ann|() s: R|kotlin/String|): R|test/Test|
+
+}
+
+@R|kotlin/jvm/JvmInline|() public final inline class Z : R|kotlin/Any| {
+    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/Z|
+
+}