[React] API Image Functionality (#5696)

* 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

* Allow CORS request to /media/

* Add ApiImage component

- Used to fetch images from API which require auth
- Requires some tweaks to back-end CORS settings
- Otherwrise, image loading won't work on new API

* Update build order table

* Remove debug code

* Update part detail page

InvenTree/InvenTree/settings.py

@@ -139,8 +139,8 @@ ALLOWED_HOSTS = get_setting(
 
 # Cross Origin Resource Sharing (CORS) options
 
-# Only allow CORS access to API
-CORS_URLS_REGEX = r'^/api/.*$'
+# Only allow CORS access to API and media endpoints
+CORS_URLS_REGEX = r'^/(api|media)/.*$'
 
 # Extract CORS options from configuration file
 CORS_ORIGIN_ALLOW_ALL = get_boolean_setting(