chore: Rename entity to model (#7977)

**What**
Start renaming `entity` to `model`

packages/modules/sales-channel/src/models/sales-channel.ts

@@ -12,7 +12,7 @@ import {
   Property,
 } from "@mikro-orm/core"
 
-type SalesChannelOptionalProps = "is_disabled" | DAL.EntityDateColumns
+type SalesChannelOptionalProps = "is_disabled" | DAL.ModelDateColumns
 
 @Entity()
 @Filter(DALUtils.mikroOrmSoftDeletableFilterOptions)