feat: Implement Fixed Asset (FA) line item management

- Added new schemas for FA line items in the backend, including creation, update, and response DTOs.
- Updated existing line item schemas to include FA data.
- Modified database models to reflect new table names for line quantities and references.
- Enhanced ItemService to handle FA data during item creation and updates.
- Introduced new routes and service layer for FA line items, including CRUD operations.
- Updated frontend components to support FA line item data, including new fields and UI adjustments.
- Implemented data flattening for improved item display in the dashboard.

backend/api/v1/modules/a76/items/line_quantities/models.py

@@ -12,7 +12,7 @@ class LineQuantity(Base):
     Quantity details for line items
     Consolidates all line-level data from Q and S tables
     """
-    __tablename__ = "line_quantities"
+    __tablename__ = "item_line_quantities"
     __table_args__ = {
         "schema": "a76",
     }