Filter transactions by category (#581)

* Add transaction filtering by category

* Link label to checkbox

* Keep the dropdown open when clicked to allow tab change

* Show the badge with color and name when filter is applied

* Reduce color height

app/models/transaction/category.rb

@@ -18,7 +18,7 @@ class Transaction::Category < ApplicationRecord
   ]
 
   def self.ransackable_attributes(auth_object = nil)
-    %w[name]
+    %w[name id]
   end
 
   def self.ransackable_associations(auth_object = nil)