feat: Refactor accounts service and related DTOs to enhance consumer account management

- Updated AccountsService to filter out OWNER roles in findAll method.
- Removed CreateConsumerAccountDto and its role property from account creation logic.
- Enhanced BusinessActivitiesService to include complex counts in responses.
- Modified ComplexesController and ComplexesService to handle consumer-specific logic.
- Introduced CreateConsumerComplexDto and UpdateConsumerComplexDto for complex management.
- Updated PosesController and PosesService to manage POS creation and updates with consumer context.
- Added utility function to calculate remaining accounts for business activities.
- Updated Prisma migration to add account_id to poses and enforce unique constraints.

src/common/queryConstants/pos.ts

@@ -9,6 +9,16 @@ export const select: PosSelect = {
   created_at: true,
   pos_type: true,
 
+  account: {
+    select: {
+      account: {
+        select: {
+          username: true,
+        },
+      },
+    },
+  },
+
   provider: {
     select: {
       id: true,