[FIR] Analyze annotations of local class before class itself

compiler/fir/analysis-tests/testData/resolve/cfg/annotatedLocalClass.kt

@@ -0,0 +1,16 @@
+// !DUMP_CFG
+
+annotation class Ann
+
+fun foo(b: Boolean) {
+    if (b) {
+        return
+    }
+
+    @Ann
+    class Local()
+
+    bar()
+}
+
+fun bar() {}