Hints for week column and short dates in UI settings

(cherry picked from commit 4558f552820b52bb1f9cd97fdabe03654ce9924a)

(cherry picked from commit f1d343218cdbd5a63abeb2eb97bba1105dc8035d)

frontend/src/Settings/UI/UISettings.js

@@ -22,19 +22,19 @@ export const firstDayOfWeekOptions = [
 ];
 
 export const weekColumnOptions = [
-  { key: 'ddd M/D', value: 'Tue 3/25' },
-  { key: 'ddd MM/DD', value: 'Tue 03/25' },
-  { key: 'ddd D/M', value: 'Tue 25/3' },
-  { key: 'ddd DD/MM', value: 'Tue 25/03' }
+  { key: 'ddd M/D', value: 'Tue 3/25', hint: 'ddd M/D' },
+  { key: 'ddd MM/DD', value: 'Tue 03/25', hint: 'ddd MM/DD' },
+  { key: 'ddd D/M', value: 'Tue 25/3', hint: 'ddd D/M' },
+  { key: 'ddd DD/MM', value: 'Tue 25/03', hint: 'ddd DD/MM' }
 ];
 
 const shortDateFormatOptions = [
-  { key: 'MMM D YYYY', value: 'Mar 25 2014' },
-  { key: 'DD MMM YYYY', value: '25 Mar 2014' },
-  { key: 'MM/D/YYYY', value: '03/25/2014' },
-  { key: 'MM/DD/YYYY', value: '03/25/2014' },
-  { key: 'DD/MM/YYYY', value: '25/03/2014' },
-  { key: 'YYYY-MM-DD', value: '2014-03-25' }
+  { key: 'MMM D YYYY', value: 'Mar 25 2014', hint: 'MMM D YYYY' },
+  { key: 'DD MMM YYYY', value: '25 Mar 2014', hint: 'DD MMM YYYY' },
+  { key: 'MM/D/YYYY', value: '03/25/2014', hint: 'MM/D/YYYY' },
+  { key: 'MM/DD/YYYY', value: '03/25/2014', hint: 'MM/DD/YYYY' },
+  { key: 'DD/MM/YYYY', value: '25/03/2014', hint: 'DD/MM/YYYY' },
+  { key: 'YYYY-MM-DD', value: '2014-03-25', hint: 'YYYY-MM-DD' }
 ];
 
 const longDateFormatOptions = [