fixup! Add fail-safe for http->https redirect

kubernetes/dspace-ingress.yaml

@@ -7,8 +7,8 @@ metadata:
     # (except for /repository/oai).
     ingress.kubernetes.io/ssl-redirect: "false"
     # But just to be sure, we are /also/ redirecting here.
-    ingress.kubernetes.configuration-snippet: |
-      if ($scheme = "http") {
+    ingress.kubernetes.io/configuration-snippet: |
+      if ($scheme != "https") {
         set $rewrite_https 1;
       }
       if ($request_uri ~ "^/repository/oai") {