Replace hardcoded URLs by configurable baseURL

Note that these URLs should probably not be defined in the view anyways.
I patched them here because I am not familiar enough with the project to
fix this cleanly.

frontend/components/configAutoLabeling/form/FileField.vue

@@ -35,7 +35,7 @@ export default {
     return {
       myFiles: [],
       server: {
-        url: '/v1/fp',
+        url: `${process.env.baseUrl}/fp`,
         headers: {
           'X-CSRFToken': Cookies.get('csrftoken')
         },

frontend/pages/projects/_id/dataset/import.vue

@@ -119,7 +119,7 @@ export default {
       ],
       requiredRules: [(v) => !!v || 'Field value is required'],
       server: {
-        url: '/v1/fp',
+        url: `${process.env.baseUrl}/fp`,
         headers: {
           'X-CSRFToken': Cookies.get('csrftoken')
         },