Use renamed PatchSetApproval#isLegacySubmit method

Change-Id: Icb71649faf693e390328a827e13a32c86e69e828

src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java b/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java
index 9fce4c8..3ca3d40 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/reviewnotes/CreateReviewNotes.java
@@ -274,7 +274,7 @@
         approvalsUtil.byPatchSet(reviewDb, ctl, ps.getId())) {
       if (a.getValue() == 0) {
         // Ignore 0 values.
-      } else if (a.isSubmit()) {
+      } else if (a.isLegacySubmit()) {
         submit = a;
       } else {
         LabelType type = labelTypes.byLabel(a.getLabelId());