fix:admin:functions: check if multibyte string extension is enabled
fix:admin:functions: check if multibyte string extension is enabled

sdescommunications/ucf-services-theme,ucf-sdes-it/ucf-services-theme,ucf-sdes-it/ucf-services-theme,sdescommunications/ucf-services-theme,sdescommunications/ucf-services-theme,ucf-sdes-it/ucf-services-theme,ucf-sdes-it/ucf-services-theme,sdescommunications/ucf-services-theme