Fix(admin-ui, medusa): stock location fixes (#3395)

**What**
- A series of minor fixes for admin-ui relating to managing stock locations: 
  - make "create location" `primary`
  - add delete prompt when cancelling creation if information has been input
  - avoid clipping focus border on country select when creating a stock location
  - allow removals of sales channels from stock locations 

Fixes CORE-1191, CORE-1192, CORE-1190, CORE-1189

packages/medusa/src/api/routes/admin/sales-channels/remove-stock-location.ts

@@ -1,7 +1,7 @@
-import { IsString } from "class-validator"
 import { Request, Response } from "express"
-import { EntityManager } from "typeorm"
 
+import { EntityManager } from "typeorm"
+import { IsString } from "class-validator"
 import { SalesChannelLocationService } from "../../../../services"
 
 /**
@@ -80,7 +80,7 @@ export default async (req: Request, res: Response) => {
   await manager.transaction(async (transactionManager) => {
     await channelLocationService
       .withTransaction(transactionManager)
-      .removeLocation(id, validatedBody.location_id)
+      .removeLocation(validatedBody.location_id, id)
   })
 
   res.json({