[FIR] Include generated declarations into FIR dump in tests

Also include non root package directive of FirFile to dump

compiler/fir/analysis-tests/testData/resolve/multifile/Annotations.fir.txt

@@ -1,4 +1,6 @@
 FILE: annotations.kt
+    package annotations
+
     @R|kotlin/annotation/Target|(allowedTargets = vararg(Q|kotlin/annotation/AnnotationTarget|.R|kotlin/annotation/AnnotationTarget.FILE|, Q|kotlin/annotation/AnnotationTarget|.R|kotlin/annotation/AnnotationTarget.FUNCTION|, Q|kotlin/annotation/AnnotationTarget|.R|kotlin/annotation/AnnotationTarget.TYPE|, Q|kotlin/annotation/AnnotationTarget|.R|kotlin/annotation/AnnotationTarget.PROPERTY_GETTER|)) public final annotation class Simple : R|kotlin/Annotation| {
         public constructor(): R|annotations/Simple| {
             super<R|kotlin/Any|>()
@@ -58,6 +60,8 @@ FILE: annotations.kt
     }
 FILE: main.kt
     @FILE:R|annotations/Simple|()
+    package test
+
     @R|annotations/WithInt|(value = Int(42)) public abstract class First : R|kotlin/Any| {
         public constructor(): R|test/First| {
             super<R|kotlin/Any|>()

compiler/fir/analysis-tests/testData/resolve/multifile/ByteArray.fir.txt

@@ -1,10 +1,14 @@
 FILE: byteArray.kt
+    package Test
+
     public abstract interface ByteArray : R|kotlin/Any| {
         public abstract val array: R|Test/ByteArray|
             public get(): R|Test/ByteArray|
 
     }
 FILE: main.kt
+    package use
+
     public abstract interface My : R|kotlin/Any| {
         public abstract val array: R|kotlin/ByteArray|
             public get(): R|kotlin/ByteArray|

compiler/fir/analysis-tests/testData/resolve/multifile/NestedSuperType.fir.txt

@@ -1,4 +1,6 @@
 FILE: C.kt
+    package c
+
     public open class C : R|kotlin/Any| {
         public constructor(): R|c/C| {
             super<R|kotlin/Any|>()
@@ -13,6 +15,8 @@ FILE: C.kt
 
     }
 FILE: B.kt
+    package b
+
     public open class B : R|c/C| {
         public constructor(): R|b/B| {
             super<R|c/C|>()
@@ -27,6 +31,8 @@ FILE: B.kt
 
     }
 FILE: A.kt
+    package a
+
     public final class A : R|b/B| {
         public constructor(): R|a/A| {
             super<R|b/B|>()

compiler/fir/analysis-tests/testData/resolve/multifile/TypeAliasExpansion.fir.txt

@@ -1,4 +1,6 @@
 FILE: B.kt
+    package b
+
     public final class A : R|kotlin/Any| {
         public constructor(): R|b/A| {
             super<R|kotlin/Any|>()
@@ -7,6 +9,8 @@ FILE: B.kt
     }
     public final typealias TA = R|b/A|
 FILE: A.kt
+    package a
+
     public final class MyClass : R|b/TA| {
         public constructor(): R|a/MyClass| {
             super<R|b/TA|>()

compiler/fir/analysis-tests/testData/resolve/multifile/importFromObject.fir.txt

@@ -1,4 +1,6 @@
 FILE: a.kt
+    package a
+
     public final object A : R|kotlin/Any| {
         private constructor(): R|a/A| {
             super<R|kotlin/Any|>()
@@ -9,6 +11,8 @@ FILE: a.kt
 
     }
 FILE: b.kt
+    package b
+
     public final fun bar(): R|kotlin/Unit| {
         Q|a/A|.R|a/A.foo|()
     }

compiler/fir/analysis-tests/testData/resolve/multifile/sealedStarImport.fir.txt

@@ -1,4 +1,6 @@
 FILE: test.kt
+    package test
+
     public sealed class Test : R|kotlin/Any| {
         protected constructor(): R|test/Test| {
             super<R|kotlin/Any|>()
@@ -23,6 +25,8 @@ FILE: test.kt
 
     }
 FILE: main.kt
+    package other
+
     public abstract class Factory : R|kotlin/Any| {
         public constructor(): R|other/Factory| {
             super<R|kotlin/Any|>()

compiler/fir/analysis-tests/testData/resolve/multifile/simpleAliasedImport.fir.txt

@@ -1,4 +1,6 @@
 FILE: B.kt
+    package b
+
     public abstract class MyClass : R|kotlin/Any| {
         public constructor(): R|b/MyClass| {
             super<R|kotlin/Any|>()
@@ -12,6 +14,8 @@ FILE: B.kt
     public abstract interface I : R|kotlin/Any| {
     }
 FILE: A.kt
+    package a
+
     public final class YourClass : R|b/MyClass| {
         public constructor(): R|a/YourClass| {
             super<R|b/MyClass|>()

compiler/fir/analysis-tests/testData/resolve/multifile/simpleImport.fir.txt

@@ -1,4 +1,6 @@
 FILE: B.kt
+    package b
+
     public abstract class MyClass : R|kotlin/Any| {
         public constructor(): R|b/MyClass| {
             super<R|kotlin/Any|>()
@@ -12,6 +14,8 @@ FILE: B.kt
     public abstract interface I : R|kotlin/Any| {
     }
 FILE: A.kt
+    package a
+
     public final class YourClass : R|b/MyClass| {
         public constructor(): R|a/YourClass| {
             super<R|b/MyClass|>()

compiler/fir/analysis-tests/testData/resolve/multifile/simpleImportNested.fir.txt

@@ -1,4 +1,6 @@
 FILE: A.kt
+    package a
+
     public final class MyClass : R|kotlin/Any| {
         public constructor(): R|a/MyClass| {
             super<R|kotlin/Any|>()
@@ -13,6 +15,8 @@ FILE: A.kt
 
     }
 FILE: B.kt
+    package b
+
     public final class YourClass : R|a/MyClass.MyNested| {
         public constructor(): R|b/YourClass| {
             super<R|a/MyClass.MyNested|>()

compiler/fir/analysis-tests/testData/resolve/multifile/simpleImportOuter.fir.txt

@@ -1,4 +1,6 @@
 FILE: A.kt
+    package a
+
     public final class Outer : R|kotlin/Any| {
         public constructor(): R|a/Outer| {
             super<R|kotlin/Any|>()
@@ -13,6 +15,8 @@ FILE: A.kt
 
     }
 FILE: B.kt
+    package b
+
     public final class My : R|a/Outer.Nested| {
         public constructor(): R|b/My| {
             super<R|a/Outer.Nested|>()

compiler/fir/analysis-tests/testData/resolve/multifile/simpleStarImport.fir.txt

@@ -1,4 +1,6 @@
 FILE: B.kt
+    package b.d
+
     public abstract expect interface Other : R|kotlin/Any| {
     }
     public final expect class Another : R|kotlin/Any| {
@@ -6,6 +8,8 @@ FILE: B.kt
     public final fun baz(): R|kotlin/Unit| {
     }
 FILE: A.kt
+    package a.d
+
     public final fun foo(arg: R|b/d/Other|): R|b/d/Another|
     public final fun bar(): R|kotlin/Unit| {
         R|b/d/baz|()