[FE] Prohibit open val deferred initialization

^KT-57553 Fixed
Review: https://jetbrains.team/p/kt/reviews/9967

Other related tests:
- testUninitializedOrReassignedVariables
- testUseOfPropertiesWithoutPrimary
- @TestMetadata("compiler/testData/diagnostics/tests/secondaryConstructors")
- testAugmentedAssignmentInInitializer
- testInitOpenSetter
- testInitOverrideInConstructorComplex
- testPropertyInitializationOrder

compiler/testData/diagnostics/tests/backingField/OpenValPartialDeferredInitErrorAnyway.kt

@@ -0,0 +1,12 @@
+// FIR_IDENTICAL
+// !DIAGNOSTICS: -DEBUG_INFO_LEAKING_THIS
+// !LANGUAGE:-ProhibitOpenValDeferredInitialization
+open class Foo {
+    <!MUST_BE_INITIALIZED_OR_BE_ABSTRACT!>open val foo: Int<!>
+
+    init {
+        if (1 != 1) {
+            foo = 1
+        }
+    }
+}