fix(stock-location,core-flows,types): updates existing address when updating stock location (#10832)

* fix(stock-location,core-flows,types): updates existing address when updating stock location address

* chore: use hasOne instead of hasMany

packages/modules/stock-location/src/migrations/.snapshot-medusa-stock-location.json

@@ -227,6 +227,15 @@
       "name": "stock_location",
       "schema": "public",
       "indexes": [
+        {
+          "columnNames": [
+            "address_id"
+          ],
+          "composite": false,
+          "keyName": "stock_location_address_id_unique",
+          "primary": false,
+          "unique": true
+        },
         {
           "keyName": "IDX_stock_location_address_id",
           "columnNames": [],

packages/modules/stock-location/src/migrations/Migration20250106142624.ts

@@ -0,0 +1,15 @@
+import { Migration } from "@mikro-orm/migrations"
+
+export class Migration20250106142624 extends Migration {
+  async up(): Promise<void> {
+    this.addSql(
+      'alter table if exists "stock_location" add constraint "stock_location_address_id_unique" unique ("address_id");'
+    )
+  }
+
+  async down(): Promise<void> {
+    this.addSql(
+      'alter table if exists "stock_location" drop constraint if exists "stock_location_address_id_unique";'
+    )
+  }
+}