[Test] Update testdata of diagnostic tests during to change language to 1.5

Mostly this commit contains changes of descriptor dump of sealed classes
  tests according to changed visibility of sealed class constructor

compiler/testData/diagnostics/tests/multiplatform/headerClass/extendExpectedClassWithAbstractMember.txt

@@ -70,7 +70,7 @@ public expect interface BaseE {
 }
 
 public sealed class BaseEImpl : BaseE {
-    private constructor BaseEImpl()
+    internal constructor BaseEImpl()
     public final fun bar(): kotlin.Unit
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public abstract expect override /*1*/ /*fake_override*/ fun foo(): kotlin.Unit
@@ -140,3 +140,4 @@ public final class DerivedC2 : BaseCImpl {
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
 }
+

compiler/testData/diagnostics/tests/multiplatform/sealedTypeAlias.txt

@@ -23,7 +23,7 @@ public sealed expect class Presence {
 package
 
 public sealed class P {
-    private constructor P()
+    internal constructor P()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String

compiler/testData/diagnostics/tests/multiplatform/sealedTypeAliasTopLevel.txt

@@ -37,7 +37,7 @@ public actual object Online : P {
 }
 
 public sealed class P {
-    private constructor P()
+    internal constructor P()
     public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
     public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
     public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String