fix: Update Invoice schema, queries, mutations and remove ShiftDayCompletion related files

backend/dataconnect/schema/invoice.gql

@@ -31,6 +31,9 @@ type Invoice @table(name: "invoices") {
   orderId: UUID!
   order: Order! @ref(fields: "orderId", references: "id")
 
+  shiftId: UUID
+  shift: Shift @ref(fields: "shiftId", references: "id")
+
   #web
   paymentTerms: InovicePaymentTerms
   invoiceNumber: String!

backend/dataconnect/schema/shiftDayCompletion.gql

@@ -1,45 +0,0 @@
-enum ShiftDayCompletionStatus {
-  PENDING_REVIEW
-  APPROVED
-  DISPUTED
-}
-
-type ShiftDayCompletion @table(name: "shift_day_completions", key: ["id"]) {
-  id: UUID! @default(expr: "uuidV4()")
-
-  shiftId: UUID!
-  shift: Shift! @ref(fields: "shiftId", references: "id")
-
-  orderId: UUID!
-  order: Order! @ref(fields: "orderId", references: "id")
-
-  businessId: UUID!
-  business: Business! @ref(fields: "businessId", references: "id")
-
-  vendorId: UUID!
-  vendor: Vendor! @ref(fields: "vendorId", references: "id")
-
-  dayDate: Timestamp!
-  dayNumber: Int!
-
-  status: ShiftDayCompletionStatus! @default(expr: "'PENDING_REVIEW'")
-
-  hours: Float
-  cost: Float
-
-  staffSummary: Any @col(dataType: "jsonb")
-
-  disputeReason: String
-  disputeDetails: String
-  disputedItems: Any @col(dataType: "jsonb")
-
-  reviewedBy: String
-  reviewedAt: Timestamp
-
-  invoiceId: UUID
-  invoice: Invoice @ref(fields: "invoiceId", references: "id")
-
-  createdAt: Timestamp @default(expr: "request.time")
-  updatedAt: Timestamp @default(expr: "request.time")
-  createdBy: String
-}