For the sake of consistency, renamed these two functions to include
_value at the end so they are consistent.
Renamed: To:
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obs_data_has_default obs_data_has_default_value
obs_data_has_autoselect obs_data_has_autoselect_value
obs_data_item_has_default obs_data_item_has_default_value
obs_data_item_has_autoselect obs_data_item_has_autoselect_value