Set "x-omitempty" as "false" for the pull count and artifact count of repository
Set "x-omitempty" as "false" for the pull count and artifact count of repository

Set "x-omitempty" as "false" for the pull count and artifact count of repository to avoid the missing of these properties in API response

Signed-off-by: Wenkai Yin <f217e32b30716cdf38664c331b6ddefbd7f5cdf6@vmware.com>

reasonerjt/harbor,wy65701436/harbor,wy65701436/harbor,wy65701436/harbor,reasonerjt/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor,wy65701436/harbor,reasonerjt/harbor