Bug 39346: Display all additional fields

getAll should call getAll, not get, or we lose the _per_page=-1
parameter.

Test plan:
Have more than 20 additional fields for agreements
Create and agreement:
=> Notice that with this patch, all the fields are displayed.

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Matt Blenkinsop <matt.blenkinsop@openfifth.co.uk>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>

koha-tmpl/intranet-tmpl/prog/js/fetch/additional-fields-api-client.js

@@ -8,8 +8,9 @@ export class AdditionalFieldsAPIClient {
     get additional_fields() {
         return {
             getAll: resource_type =>
-                this.httpClient.get({
-                    endpoint: "?resource_type=" + resource_type,
+                this.httpClient.getAll({
+                    endpoint: "",
+                    params: { resource_type },
                 }),
         };
     }