Provide incremental analysis of a file when it is applicable

#KT32868 Fixed

idea/testData/codeInsight/outOfBlock/InPropertyAccessorWithAnnotation.kt

@@ -0,0 +1,8 @@
+// OUT_OF_CODE_BLOCK: TRUE
+// TYPE: '@Throws(Exception::class)`
+
+class InPropertyAccessorWithAnnotation {
+    val prop1: Int
+        <caret>
+        get() = 42
+}