OptionalToIfInspection: added inspection to desugar optional chain to sequence of if statements (IDEA-212269)

GitOrigin-RevId: c83b70e05544529b3dfffe24bc87997910edcb56

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/optionalToIf/beforeOfNullable.java

@@ -0,0 +1,8 @@
+// "Fix all 'Optional can be replaced with sequence of if statements' problems in file" "true"
+
+class Test {
+  String notNullValueCheckIsRemoved(String in) {
+    if (in == null) return "foo";
+    return Optional.ofNullable<caret>(in).orElse("bar");
+  }
+}