[FE 1.0] Continue completion of calls inside that builder inference call postponed type variables of which has already been inferred

compiler/frontend/src/org/jetbrains/kotlin/resolve/calls/inference/BuilderInferenceSession.kt

@@ -193,7 +193,7 @@ class BuilderInferenceSession(
     fun hasInapplicableCall(): Boolean = hasInapplicableCall
 
     override fun writeOnlyStubs(callInfo: SingleCallResolutionResult): Boolean {
-        return !skipCall(callInfo)
+        return !skipCall(callInfo) && !arePostponedVariablesInferred()
     }
 
     private fun skipCall(callInfo: SingleCallResolutionResult): Boolean {
@@ -227,6 +227,8 @@ class BuilderInferenceSession(
     fun getCurrentSubstitutor(): NewTypeSubstitutor =
         commonSystem.buildCurrentSubstitutor().cast<NewTypeSubstitutor>().takeIf { !it.isEmpty } ?: EmptySubstitutor
 
+    private fun arePostponedVariablesInferred() = commonSystem.notFixedTypeVariables.isEmpty()
+
     override fun initializeLambda(lambda: ResolvedLambdaAtom) {
         this.lambda = lambda
     }