use table for ls and job list

src/cmd/job_list.rs

···
 
     fn signature(&self) -> Signature {
         Signature::build("job list")
-            .input_output_type(Type::Nothing, Type::record())
+            .input_output_type(Type::Nothing, Type::table())
             .category(Category::System)
     }
 

src/cmd/ls.rs

···
                 Some('l'),
             )
             .switch("full-paths", "display paths as absolute paths", Some('f'))
-            .input_output_type(Type::Nothing, Type::record())
+            .input_output_type(Type::Nothing, Type::table())
             .category(Category::FileSystem)
     }