[Analysis API] Allow handling scopes from KtScopeContext separately

^KT-55527

analysis/analysis-api/testData/components/scopeProvider/scopeContextForPosition/enumEntry.kt

@@ -0,0 +1,8 @@
+enum class E {
+    A {
+        val x: String = ""
+        fun foo() {
+            <expr>e</expr>
+        }
+    }
+}