♻️ Refactor change builder for make it more efficient

Mainly replaces the usafe of the inneficient d/preconj helper
with a combination of conj and simple list as data structure whitch
maintains the previous ordering semantics on addition.

Also removes the d/preconj from the codebase.

frontend/test/frontend_tests/setup_test.cljs

@@ -0,0 +1,31 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) KALEIDOS INC
+
+(ns frontend-tests.setup-test
+  (:require
+   [app.common.schema :as sm]
+   [app.common.pprint :as pp]
+   [cljs.test :as t]))
+
+(.on js/process "uncaughtException" (fn [cause]
+                                      (try
+                                        (js/console.log "EE" (.-stack cause))
+                                        (when-let [data (some-> cause ex-data ::sm/explain)]
+                                          (pp/pprint (sm/humanize-data data)))
+                                        (finally
+                                          (js/console.log "EXIT")
+                                          (.exit js/process -1)))))
+
+(defmethod t/report [:cljs.test/default :end-run-tests]
+  [m]
+  (if (t/successful? m)
+    (set! (.-exitCode js/process) 0)
+    (set! (.-exitCode js/process) 1)))
+
+#_(set! *main-cli-fn*
+      #(t/run-tests 'frontend-tests.test-snap-data
+                    'frontend-tests.test-simple-math
+                    'frontend-tests.test-range-tree))