Sort jars by pre-topological sort to preserve leftmost-first guarantee

With topological order, there's no left-to-right order guarantee
https://bazel.build/rules/lib/depset

As a result, `test/shell/test_misc`'s `test_multi_service_manifest`
fails because the order of `exepected_service_manifest.txt` reverses.

scala/private/phases/phase_compile.bzl

@@ -149,7 +149,7 @@ def _phase_compile(
     # TODO: simplify the return values and use provider
     return struct(
         files = depset(out.full_jars),
-        rjars = depset(out.full_jars, transitive = [rjars], order = "topological"),
+        rjars = depset(out.full_jars, transitive = [rjars], order = "preorder"),
         merged_provider = out.merged_provider,
         external_providers = {
             "JavaInfo": out.merged_provider,