Fix SOE related exact annotation and completion

idea/idea-completion/testData/basic/common/substitutedSignature/SubstitutedSignatureSOE.kt

@@ -0,0 +1,14 @@
+import kotlin.internal.Exact
+
+interface Column<out V>
+
+inline fun <reified V : Enum<V>> String.enumeration(name: String): Column<V> = TODO()
+
+fun <T> foo(c: Column<@Exact T>) { }
+
+
+fun test() {
+    foo("".enu<caret>)
+}
+
+// EXIST: enumeration