[FE 1.0] Substituted possible fixed type variables after completion in accordance with @OverloadResolutionByLambdaReturnType

^KT-48031 Fixed

compiler/testData/diagnostics/tests/inference/builderInference/kt48031.kt

@@ -0,0 +1,15 @@
+// FIR_IDENTICAL
+// WITH_STDLIB
+
+class Flow<out T>
+
+@OverloadResolutionByLambdaReturnType
+@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
+fun <T> Flow<T>.debounce(timeoutMillis: (T) -> Long): Flow<T> = this
+
+@JvmName("debounceDuration")
+@OptIn(kotlin.experimental.ExperimentalTypeInference::class)
+@OverloadResolutionByLambdaReturnType
+fun <T> Flow<T>.debounce(timeout: (T) -> String): Flow<T> = this
+
+fun invalidFlow(x: Flow<Int>): Flow<Int> = x.debounce { value -> 0 }

compiler/testData/diagnostics/tests/inference/builderInference/kt48031.txt

@@ -0,0 +1,12 @@
+package
+
+public fun invalidFlow(/*0*/ x: Flow<kotlin.Int>): Flow<kotlin.Int>
+@kotlin.OverloadResolutionByLambdaReturnType @kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) public fun </*0*/ T> Flow<T>.debounce(/*0*/ timeoutMillis: (T) -> kotlin.Long): Flow<T>
+@kotlin.jvm.JvmName(name = "debounceDuration") @kotlin.OptIn(markerClass = {kotlin.experimental.ExperimentalTypeInference::class}) @kotlin.OverloadResolutionByLambdaReturnType public fun </*0*/ T> Flow<T>.debounce(/*0*/ timeout: (T) -> kotlin.String): Flow<T>
+
+public final class Flow</*0*/ out T> {
+    public constructor Flow</*0*/ out T>()
+    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 override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+}