Fix bug in commit listing order

Since this mutated the array it would reverse the order when switching
between patches, since we don't destroy the array.

src/components/Changes.svelte

@@ -175,7 +175,7 @@
             <div class="global-counter">Base</div>
           </div>
           <div class="commits">
-            {#each commits.reverse() as commit}
+            {#each [...commits].reverse() as commit}
               <div
                 class="commit"
                 class:single-commit={commits.length === 1}