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/clj/auto_ap/ssr/outgoing_invoice/new.clj

@@ -120,8 +120,6 @@
                                                                 :value       (-> (fc/field-value)
                                                                                  (atime/unparse-local atime/normal-date))})]))
 
-
-
                        (fc/with-field-default :outgoing-invoice/line-items [{:db/id "first"}]
                          (com/validated-field {:errors (fc/field-errors)
                                                :label "Line items"}
@@ -280,6 +278,6 @@
                           (add-new-entity-handler [:outgoing-invoice/line-items]
                                                   (fn render [cursor request]
                                                     (line-item
-                                                     {:value cursor }))
+                                                     {:value cursor}))
                                                   (fn build-new-row [base _]
                                                     base)))})