IO-1486 Add dropdown for file handler.

hasura/metadata/tables.yaml

@@ -828,6 +828,7 @@
       - md_classes
       - md_ded_notes
       - md_estimators
+      - md_filehandlers
       - md_hour_split
       - md_ins_cos
       - md_jobline_presets
@@ -906,6 +907,7 @@
       - md_classes
       - md_ded_notes
       - md_estimators
+      - md_filehandlers
       - md_hour_split
       - md_ins_cos
       - md_jobline_presets

hasura/migrations/1636504628309_alter_table_public_bodyshops_add_column_md_filehandlers/down.sql

@@ -0,0 +1,4 @@
+-- Could not auto-generate a down migration.
+-- Please write an appropriate down migration for the SQL below:
+-- alter table "public"."bodyshops" add column "md_filehandlers" jsonb
+--  null default jsonb_build_array();

hasura/migrations/1636504628309_alter_table_public_bodyshops_add_column_md_filehandlers/up.sql

@@ -0,0 +1,2 @@
+alter table "public"."bodyshops" add column "md_filehandlers" jsonb
+ null default jsonb_build_array();