Fix frontend Go search when column param is present

app/controllers/universal_tables_controller.rb

@@ -120,7 +120,7 @@ class UniversalTablesController < ApplicationController
 	end
 
 	def get_query(params)
-		if params["column"].present?
+                if params["column"].present? && params["q"].is_a?(String)
 			q = {params["column"] => params["q"]}
 		else
 			q = params["q"]