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/jobs/bulk_journal_import.clj

@@ -12,12 +12,11 @@
 (defn line->id [{:keys [source id client-code]}]
   (str client-code "-"  source "-" id))
 
-
 (defn csv->graphql-rows [lines]
   (for [lines (partition-by line->id (drop 1 lines))
-        :let      [{:keys [source client-code date vendor-name note cleared-against] :as line} (first lines)]] 
+        :let      [{:keys [source client-code date vendor-name note cleared-against] :as line} (first lines)]]
     {:source          source
-     :external_id     (line->id line) 
+     :external_id     (line->id line)
      :client_code     client-code
      :date            date
      :note            note
@@ -33,8 +32,8 @@
                              {:account_identifier account-identifier
                               :location           (some-> location str/trim)
                               :debit              (if (str/blank? debit)
-                                                     0.0
-                                                     (Double/parseDouble debit))
+                                                    0.0
+                                                    (Double/parseDouble debit))
                               :credit             (if (str/blank? credit)
                                                     0.0
                                                     (Double/parseDouble credit))})