Return self in .from_h

Author: Knerio

build/ruby/lib/tucana/shared/shared.data_type.rb

@@ -248,6 +248,7 @@ def from_hash(config)
         self.generic_key = config[:generic_key]
         self.source = DataTypeIdentifier.from_hash(config.fetch(:source))
         self.generic_combinations = config.fetch(:generic_combinations, [])
+        self
       end
 
       def self.from_hash(config)