Add vendor pre-population for bulk code and individual edit forms

- Add vendor-changed HTMX handlers for both bulk code and individual edit
- Pre-populate default account at 100% when vendor is selected and no accounts exist
- Fix render-accounts-section to render from step-params correctly
- Change bulk code vendor-changed from hx-get to hx-post to include form data
- Add routes for vendor-changed endpoints
- Update e2e tests to cover vendor pre-population
- Run lein cljfmt fix across codebase

src/cljc/auto_ap/numeric.cljc

@@ -86,9 +86,8 @@
                                parts)))]
                 (recur parts n (inc mag)))))))
 
-
 (defn num->words [num]
-  (let [total-cents (int (Math/round (* 100 num))) 
+  (let [total-cents (int (Math/round (* 100 num)))
         dollar-num (int (quot total-cents 100))
         cent-num (int (rem total-cents 100))
         dollars (str (words dollar-num) " dollars")