[FIR] Turn LEAKED_IN_PLACE_LAMBDA into a warning

compiler/fir/checkers/checkers-component-generator/src/org/jetbrains/kotlin/fir/checkers/generator/diagnostics/FirDiagnosticsList.kt

@@ -1071,7 +1071,7 @@ object DIAGNOSTICS_LIST : DiagnosticList("FirErrors") {
             parameter<EventOccurrencesRange>("requiredRange")
             parameter<EventOccurrencesRange>("actualRange")
         }
-        val LEAKED_IN_PLACE_LAMBDA by error<PsiElement> {
+        val LEAKED_IN_PLACE_LAMBDA by warning<PsiElement> {
             parameter<Symbol>("lambda")
         }
         val WRONG_IMPLIES_CONDITION by warning<PsiElement>()

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/diagnostics/FirErrors.kt

@@ -577,7 +577,7 @@ object FirErrors {
     val CAPTURED_MEMBER_VAL_INITIALIZATION by error1<KtExpression, FirPropertySymbol>()
     val SETTER_PROJECTED_OUT by error1<KtBinaryExpression, FirPropertySymbol>(SourceElementPositioningStrategies.ASSIGNMENT_LHS)
     val WRONG_INVOCATION_KIND by warning3<PsiElement, FirBasedSymbol<*>, EventOccurrencesRange, EventOccurrencesRange>()
-    val LEAKED_IN_PLACE_LAMBDA by error1<PsiElement, FirBasedSymbol<*>>()
+    val LEAKED_IN_PLACE_LAMBDA by warning1<PsiElement, FirBasedSymbol<*>>()
     val WRONG_IMPLIES_CONDITION by warning0<PsiElement>()
     val VARIABLE_WITH_NO_TYPE_NO_INITIALIZER by error0<KtVariableDeclaration>(SourceElementPositioningStrategies.DECLARATION_NAME)
     val INITIALIZATION_BEFORE_DECLARATION by error1<KtExpression, FirBasedSymbol<*>>()

compiler/testData/codegen/box/contracts/kt39374.kt

@@ -1,4 +1,3 @@
-// IGNORE_FIR_DIAGNOSTICS
 // IGNORE_BACKEND: NATIVE
 // WITH_STDLIB
 // WITH_COROUTINES

compiler/testData/codegen/boxInline/contracts/crossinlineCallableReference.kt

@@ -1,4 +1,3 @@
-// IGNORE_FIR_DIAGNOSTICS
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
 // NO_CHECK_LAMBDA_INLINING

compiler/testData/codegen/boxInline/contracts/exactlyOnceCrossinline.kt

@@ -1,4 +1,3 @@
-// IGNORE_FIR_DIAGNOSTICS
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
 

compiler/testData/codegen/boxInline/contracts/exactlyOnceCrossinline2.kt

@@ -1,4 +1,3 @@
-// IGNORE_FIR_DIAGNOSTICS
 // !OPT_IN: kotlin.contracts.ExperimentalContracts
 // IGNORE_BACKEND: NATIVE
 // FILE: 1.kt