RI-5934 fixed typo

Author: kchepikava

redisinsight/ui/src/pages/settings/components/general-settings/datetime-formatter/styles.module.scss

@@ -37,7 +37,7 @@
 }
 
 .dateTimeSubtitle {
-  font-family: 'Graphik',san-serif !important;
+  font-family: 'Graphik',sans-serif !important;
   font-weight: 400;
   font-size: 13px;
   line-height: 18px;
@@ -50,7 +50,7 @@
 }
 
 .preview {
-  font-family: 'SourceCodePro',san-serif;
+  font-family: 'SourceCodePro',sans-serif;
   font-size: 14px !important;
   font-weight: 400;
   line-height: 17.6px !important;