Api tweaks (#5690)

* Improvements to API handling on react UI

- Do not force "/api/" prefix to the base URL of the server
- We will need to fetch media files from the server (at /media/)
- Extend API URL helper functions

* Update some more hard-coded URLs

* Fix search API endpoint

* Fix div for panel tab

* Fix debug msg

src/frontend/src/components/tables/part/PartTable.tsx

@@ -7,7 +7,7 @@ import { editPart } from '../../../functions/forms/PartForms';
 import { notYetImplemented } from '../../../functions/notifications';
 import { shortenString } from '../../../functions/tables';
 import { useTableRefresh } from '../../../hooks/TableRefresh';
-import { ApiPaths, url } from '../../../states/ApiState';
+import { ApiPaths, apiUrl } from '../../../states/ApiState';
 import { TableColumn } from '../Column';
 import { TableFilter } from '../Filter';
 import { InvenTreeTable, InvenTreeTableProps } from '../InvenTreeTable';
@@ -221,7 +221,7 @@ export function PartListTable({ props }: { props: InvenTreeTableProps }) {
 
   return (
     <InvenTreeTable
-      url={url(ApiPaths.part_list)}
+      url={apiUrl(ApiPaths.part_list)}
       tableKey={tableKey}
       columns={tableColumns}
       props={{