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.rb

@@ -32,6 +32,10 @@ class Transaction < ApplicationRecord
           value.each do |account_id|
             filters << { type: "account", value: family.accounts.find(account_id), original: { key: key, value: account_id } }
           end
+        when "category_id_in"
+          value.each do |category_id|
+            filters << { type: "category", value: family.transaction_categories.find(category_id), original: { key: key, value: category_id } }
+          end
         when "category_name_or_account_name_or_name_cont"
           filters << { type: "search", value: value, original: { key: key, value: nil } }
         end

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)