Fix ambiguity between Java and Kotlin SAM candidates

Because of incorrect flag we generated synthetic SAM candidates and got ambiguity when feature `SamConversionPerArgument` was enabled (Gradle case) because candidates for Java were duplicated

 #KT-35579 Fixed

compiler/fir/resolve/tests/org/jetbrains/kotlin/fir/FirOldFrontendDiagnosticsTestGenerated.java

@@ -18718,6 +18718,11 @@ public class FirOldFrontendDiagnosticsTestGenerated extends AbstractFirOldFronte
             runTest("compiler/testData/diagnostics/tests/samConversions/SAMAfterSubstitutionKT.kt");
         }
 
+        @TestMetadata("sameCandidatesFromKotlinAndJavaInOneScope.kt")
+        public void testSameCandidatesFromKotlinAndJavaInOneScope() throws Exception {
+            runTest("compiler/testData/diagnostics/tests/samConversions/sameCandidatesFromKotlinAndJavaInOneScope.kt");
+        }
+
         @TestMetadata("SimpleCorrect.kt")
         public void testSimpleCorrect() throws Exception {
             runTest("compiler/testData/diagnostics/tests/samConversions/SimpleCorrect.kt");

compiler/frontend.java/src/org/jetbrains/kotlin/synthetic/JavaSyntheticScopes.kt

@@ -46,8 +46,7 @@ class JavaSyntheticScopes(
 
     init {
         val samConversionPerArgumentIsEnabled =
-            languageVersionSettings.supportsFeature(LanguageFeature.SamConversionPerArgument) &&
+            languageVersionSettings.supportsFeature(LanguageFeature.SamConversionPerArgument)
-                    languageVersionSettings.supportsFeature(LanguageFeature.ProhibitVarargAsArrayAfterSamArgument)
 
         val javaSyntheticPropertiesScope = JavaSyntheticPropertiesScope(storageManager, lookupTracker)
         val scopesFromExtensions = SyntheticScopeProviderExtension

compiler/testData/diagnostics/tests/samConversions/sameCandidatesFromKotlinAndJavaInOneScope.fir.kt

@@ -0,0 +1,26 @@
+// !LANGUAGE: +NewInference +SamConversionForKotlinFunctions +SamConversionPerArgument
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
+
+// FILE: Action.java
+public interface Action<T> {
+    void execute(T t);
+}
+
+// FILE: Other.java
+
+// It's important that this is Java
+public interface Other {
+    void pluginManagement(Action<? super Number> pluginManagementSpec);
+}
+
+// FILE: test.kt
+interface B {
+    fun pluginManagement(block: Number.() -> Unit): Unit {}
+}
+
+interface C : B, Other
+
+fun test(c: C) {
+    c.<!AMBIGUITY!>pluginManagement<!> {
+    }
+}

compiler/testData/diagnostics/tests/samConversions/sameCandidatesFromKotlinAndJavaInOneScope.kt

@@ -0,0 +1,26 @@
+// !LANGUAGE: +NewInference +SamConversionForKotlinFunctions +SamConversionPerArgument
+// !DIAGNOSTICS: -UNUSED_PARAMETER,-UNUSED_VARIABLE
+
+// FILE: Action.java
+public interface Action<T> {
+    void execute(T t);
+}
+
+// FILE: Other.java
+
+// It's important that this is Java
+public interface Other {
+    void pluginManagement(Action<? super Number> pluginManagementSpec);
+}
+
+// FILE: test.kt
+interface B {
+    fun pluginManagement(block: Number.() -> Unit): Unit {}
+}
+
+interface C : B, Other
+
+fun test(c: C) {
+    c.pluginManagement {
+    }
+}

compiler/testData/diagnostics/tests/samConversions/sameCandidatesFromKotlinAndJavaInOneScope.txt

@@ -0,0 +1,32 @@
+package
+
+public fun test(/*0*/ c: C): kotlin.Unit
+
+public interface Action</*0*/ T : kotlin.Any!> {
+    public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public abstract fun execute(/*0*/ t: T!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface B {
+    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 fun pluginManagement(/*0*/ block: kotlin.Number.() -> kotlin.Unit): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface C : B, Other {
+    public open override /*2*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+    public open override /*2*/ /*fake_override*/ fun hashCode(): kotlin.Int
+    public abstract override /*1*/ /*fake_override*/ fun pluginManagement(/*0*/ pluginManagementSpec: Action<in kotlin.Number!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun pluginManagement(/*0*/ block: kotlin.Number.() -> kotlin.Unit): kotlin.Unit
+    public open override /*2*/ /*fake_override*/ fun toString(): kotlin.String
+}
+
+public interface Other {
+    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 abstract fun pluginManagement(/*0*/ pluginManagementSpec: Action<in kotlin.Number!>!): kotlin.Unit
+    public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}

compiler/tests/org/jetbrains/kotlin/checkers/DiagnosticsTestGenerated.java

@@ -18730,6 +18730,11 @@ public class DiagnosticsTestGenerated extends AbstractDiagnosticsTest {
                 runTest("compiler/testData/diagnostics/tests/samConversions/SAMAfterSubstitutionKT.kt");
             }
 
+            @TestMetadata("sameCandidatesFromKotlinAndJavaInOneScope.kt")
+            public void testSameCandidatesFromKotlinAndJavaInOneScope() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/samConversions/sameCandidatesFromKotlinAndJavaInOneScope.kt");
+            }
+
             @TestMetadata("SimpleCorrect.kt")
             public void testSimpleCorrect() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/samConversions/SimpleCorrect.kt");

compiler/tests/org/jetbrains/kotlin/checkers/javac/DiagnosticsUsingJavacTestGenerated.java

@@ -18720,6 +18720,11 @@ public class DiagnosticsUsingJavacTestGenerated extends AbstractDiagnosticsUsing
                 runTest("compiler/testData/diagnostics/tests/samConversions/SAMAfterSubstitutionKT.kt");
             }
 
+            @TestMetadata("sameCandidatesFromKotlinAndJavaInOneScope.kt")
+            public void testSameCandidatesFromKotlinAndJavaInOneScope() throws Exception {
+                runTest("compiler/testData/diagnostics/tests/samConversions/sameCandidatesFromKotlinAndJavaInOneScope.kt");
+            }
+
             @TestMetadata("SimpleCorrect.kt")
             public void testSimpleCorrect() throws Exception {
                 runTest("compiler/testData/diagnostics/tests/samConversions/SimpleCorrect.kt");