Fix order of most used.

The ordering was switched, and showed least used first.

Signed-off-by: Stefan Marr <git@stefan-marr.de>

src/frontend/render.ts

@@ -220,7 +220,7 @@ function renderSidebar(
     switch (selectedOrder) {
       case 'Most Used': {
         branches.sort(
-          (a, b) => branchDetails.get(a)!.count - branchDetails.get(b)!.count
+          (a, b) => branchDetails.get(b)!.count - branchDetails.get(a)!.count
         );
         break;
       }