Merge pull request #26954 from element-hq/valere/only_run_loading_tests_on_legacy

Force legacy crypto for loading tests

test/app-tests/loading-test.tsx

@@ -129,6 +129,9 @@ describe("loading:", function () {
             embedded_pages: {
                 home_url: "data:text/html;charset=utf-8;base64,PGh0bWw+PC9odG1sPg==",
             },
+            features: {
+                feature_rust_crypto: false,
+            },
             ...(opts.config ?? {}),
         } as IConfigOptions;