[Test] Automatically infer common target platform for K1 MPP tests

Previous changes made the TargetPlatform the same for all modules in the
test, but K1 expects for common modules in MPP hierarchy to be resolved
with common platform as a target platform.

This change fixed a lot of K1 diagnostic tests, as a lot of them didn't
set the target platform "properly" (with `TARGET_PLATFORM` directive or
with `-common` suffix in the module name), which is not a problem anymore

compiler/testData/diagnostics/foreignAnnotationsTests/java8Tests/jspecify/warnMode/wrongNullabilityForOverridesCommon.kt

@@ -2,7 +2,7 @@
 
 // MODULE: common
 // FILE: common.kt
-expect open class <!NO_ACTUAL_FOR_EXPECT!>Base<!>()
+expect open class Base()
 
 interface I {
     fun foo(): String?

compiler/testData/diagnostics/foreignAnnotationsTests/java8Tests/jspecify/warnMode/wrongNullabilityForOverridesPlatform.kt

@@ -1,8 +1,9 @@
+// FIR_IDENTICAL
 // LANGUAGE: +MultiPlatformProjects
 
 // MODULE: common
 // FILE: common.kt
-expect class <!NO_ACTUAL_FOR_EXPECT!>A<!>() {}
+expect class A() {}
 
 // MODULE: jvm()()(common)
 // FILE: J.java

compiler/testData/diagnostics/tests/falseNegativeSuperCallWithDefaults.kt

@@ -1,10 +1,11 @@
+// FIR_IDENTICAL
 // RUN_PIPELINE_TILL: FRONTEND
 // ISSUE: KT-69463
 // LANGUAGE: +MultiPlatformProjects
 
 // MODULE: common
 // FILE: common.kt
-expect interface <!NO_ACTUAL_FOR_EXPECT!>Foo<!> {
+expect interface Foo {
     fun test(a: Int = 7)
 }
 

compiler/testData/diagnostics/tests/j+k/collectionOverrides/overrideAnClashWithJvmSignatureInMPP.kt

@@ -9,11 +9,11 @@
 
 // MODULE: common
 // FILE: Common.kt
-expect abstract class <!NO_ACTUAL_FOR_EXPECT!>B<!>() {
+expect abstract class B() {
     open fun get(index: Int): Char
 }
 
-expect abstract class <!NO_ACTUAL_FOR_EXPECT!>KA<!> : B {
+expect abstract class KA : B {
     override fun get(index: Int): Char
 }
 

compiler/testData/diagnostics/tests/modifiers/openInExpectInterface.kt

@@ -4,7 +4,7 @@
 // FILE: common.kt
 // TODO: .fir.kt version is just a stub.
 
-expect interface My {
+expect interface <!NO_ACTUAL_FOR_EXPECT!>My<!> {
     open fun bar()
     <!EXPECTED_DECLARATION_WITH_BODY!>open fun bas()<!> {}
     <!REDUNDANT_MODIFIER!>open<!> abstract fun bat(): Int
@@ -28,7 +28,7 @@ class MyImpl2: My {
     override val e = 1
 }
 
-expect interface Outer {
+expect interface <!NO_ACTUAL_FOR_EXPECT!>Outer<!> {
     interface Inner {
         open fun bar()
         <!EXPECTED_DECLARATION_WITH_BODY!>open fun bas()<!> {}

compiler/testData/diagnostics/tests/multiplatform/actualAnnotationsNotMatchExpect/actualizeExpectProtectedToJavaProtected.kt

@@ -8,7 +8,7 @@
 // FILE: common.kt
 package pkg
 
-expect open class <!NO_ACTUAL_FOR_EXPECT!>Foo<!> {
+expect open class Foo {
     protected fun foo()
 }
 

compiler/testData/diagnostics/tests/multiplatform/actualAnnotationsNotMatchExpect/actualizePropertyByJavaField_supportedCase.kt

@@ -7,7 +7,7 @@
 // FILE: common.kt
 package kotlin.collections
 
-public expect abstract class <!NO_ACTUAL_FOR_EXPECT!>AbstractMutableList<!>() {
+public expect abstract class AbstractMutableList() {
     protected var modCount: Int
 }
 

compiler/testData/diagnostics/tests/multiplatform/actualAnnotationsNotMatchExpect/actualizePropertyByJavaField_unsupportedCase.kt

@@ -8,7 +8,7 @@
 // FILE: common.kt
 package foo
 
-public expect abstract class <!NO_ACTUAL_FOR_EXPECT!>AbstractMutableList<!>() {
+public expect abstract class AbstractMutableList() {
     protected var modCount: Int
 }
 

compiler/testData/diagnostics/tests/multiplatform/actualDeprecated.kt

@@ -5,7 +5,7 @@
 
 // MODULE: common
 // FILE: common.kt
-expect open class <!NO_ACTUAL_FOR_EXPECT!>AbstractMutableList<!> {
+expect open class AbstractMutableList {
     var modCount: Int
 }