Switch off auto-camelization for GraphQL fields

GraphQL Ruby automatically camelises field names [1]. We would like to
switch this off and always use snake casing to match the field names
currently present in content items.

Therefore applying this as a default to all our fields.

1: https://graphql-ruby.org/fields/introduction.html#field-names

app/graphql/types/base_argument.rb

@@ -2,5 +2,8 @@
 
 module Types
   class BaseArgument < GraphQL::Schema::Argument
+    def initialize(*args, camelize: false, **kwargs, &block)
+      super
+    end
   end
 end

app/graphql/types/base_field.rb

@@ -3,5 +3,9 @@
 module Types
   class BaseField < GraphQL::Schema::Field
     argument_class Types::BaseArgument
+
+    def initialize(*args, camelize: false, **kwargs, &block)
+      super
+    end
   end
 end