dfa: don't suggest to convert lvalue to ternary expression (IDEA-140519)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/replaceWithTernaryOperator/beforeLValue.java

@@ -0,0 +1,9 @@
+// "Replace with 'a != null ?:'" "false"
+class A{
+  void test(){
+    A a = null;
+    <caret>a.field = 2;
+  }
+
+  int field;
+}