K2: Add new tests for PCLA implementation

Many of them have been found & minimized at FP tests/user projects

^KT-59791 Fixed

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

@@ -0,0 +1,15 @@
+// FIR_IDENTICAL
+class Controller<T> {
+    fun yield(t: T): Boolean = true
+}
+
+fun <S> generate(g: suspend Controller<S>.() -> Unit): S = TODO()
+
+fun <R> foo(w: R, x: (R) -> R): R = TODO()
+
+fun main() {
+    generate {
+        yield(1)
+        yield(foo(2) { 3 })
+    }
+}