adding a new plate purpose for multiplexed sequencing submissions, to avoid FC

app/models/labware_creators/pooled_tubes_by_submission.rb

@@ -28,7 +28,7 @@ def all_wells_in_pool_passed?(pool_info)
     end
 
     def pick?(location)
-      well_locations.fetch(location).passed?
+      !(well_locations.fetch(location).failed? || well_locations.fetch(location).empty?)
     end
   end
 end

config/pipelines/multiplexing.yml

@@ -0,0 +1,8 @@
+Multiplexing:
+  pipeline_group: Multiplexing
+  filters:
+    request_type_key:
+      - limber_multiplexing
+  relationships:
+    Library Stock Plate: LB Lib Pool #These are supplied as ready-made libraries and enter the pipeline at this point.
+    LB Lib Pool: LB Lib Pool Norm

config/purposes/library_stock_plate.yml

@@ -0,0 +1,8 @@
+# A plate provided as ready-made libraries.
+# These used to be imported as Stock Plates and then 'fake cherrypicked' onto 'LB Lib PCR XP', which were allowed down the multiplexing pipelines.
+# Now, they can be imported and submitted as this more accurate plate purpose.
+Library Stock Plate:
+  :asset_type: plate
+  :stock_plate: true
+  :input_plate: true
+  :presenter_class: Presenters::StockPlatePresenter