[#2622] Change sort to proper JSONB

spec/models/procedure_presentation_spec.rb

@@ -7,7 +7,7 @@ describe ProcedurePresentation do
         { "label" => "test1", "table" => "user" },
         { "label" => "test2", "table" => "champs" }
       ],
-      sort: { "table" => "user","column" => "email","order" => "asc" }.to_json,
+      sort: { "table" => "user","column" => "email","order" => "asc" },
       filters: { "a-suivre" => [], "suivis" => [{ "label" => "label1", "table" => "table1", "column" => "column1" }] }.to_json
     ).id
   }

spec/models/procedure_spec.rb

@@ -690,7 +690,7 @@ describe Procedure do
   end
 
   describe ".default_sort" do
-    it { expect(Procedure.default_sort).to eq("{\"table\":\"self\",\"column\":\"id\",\"order\":\"desc\"}") }
+    it { expect(Procedure.default_sort).to eq({ "table" => "self", "column" => "id", "order" => "desc" }) }
   end
 
   describe "#export_filename" do