K2: report IR_WITH_UNSTABLE_ABI_COMPILED_CLASS

Also, remove setting the value of allowUnstableDependencies to true if
K2 is used because we want K2 to report errors (as K1 does) on
unstable-ABI dependencies.

 #KT-61598 Fixed

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDataClassConverters.kt

@@ -4938,6 +4938,13 @@ internal val KT_DIAGNOSTIC_CONVERTER = KtDiagnosticConverterBuilder.buildConvert
             token,
         )
     }
+    add(FirErrors.IR_WITH_UNSTABLE_ABI_COMPILED_CLASS) { firDiagnostic ->
+        IrWithUnstableAbiCompiledClassImpl(
+            firDiagnostic.a,
+            firDiagnostic as KtPsiDiagnostic,
+            token,
+        )
+    }
     add(FirJvmErrors.OVERRIDE_CANNOT_BE_STATIC) { firDiagnostic ->
         OverrideCannotBeStaticImpl(
             firDiagnostic as KtPsiDiagnostic,

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnostics.kt

@@ -3438,6 +3438,11 @@ sealed interface KtFirDiagnostic<PSI : PsiElement> : KtDiagnosticWithPsi<PSI> {
         val presentableString: String
     }
 
+    interface IrWithUnstableAbiCompiledClass : KtFirDiagnostic<PsiElement> {
+        override val diagnosticClass get() = IrWithUnstableAbiCompiledClass::class
+        val presentableString: String
+    }
+
     interface OverrideCannotBeStatic : KtFirDiagnostic<PsiElement> {
         override val diagnosticClass get() = OverrideCannotBeStatic::class
     }

analysis/analysis-api-fir/src/org/jetbrains/kotlin/analysis/api/fir/diagnostics/KtFirDiagnosticsImpl.kt

@@ -4146,6 +4146,12 @@ internal class PreReleaseClassImpl(
     token: KtLifetimeToken,
 ) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.PreReleaseClass
 
+internal class IrWithUnstableAbiCompiledClassImpl(
+    override val presentableString: String,
+    firDiagnostic: KtPsiDiagnostic,
+    token: KtLifetimeToken,
+) : KtAbstractFirDiagnostic<PsiElement>(firDiagnostic, token), KtFirDiagnostic.IrWithUnstableAbiCompiledClass
+
 internal class OverrideCannotBeStaticImpl(
     firDiagnostic: KtPsiDiagnostic,
     token: KtLifetimeToken,