fix(common(js)): improve parsing of year

There's no perfect solution when only two digits are used for the year.
It's always better to show four digits for the year to avoid unexpected
results.

Fixes #5268

UI/WebServerResources/js/Common/utils.js

@@ -210,7 +210,7 @@ String.prototype.parseDate = function(localeProvider, format) {
       return (i >= 0);
     }],
     '%y': [/\d\d/, function(input) {
-      var nearFuture = parseInt(now.getFullYear().toString().substring(2)) + 5;
+      var nearFuture = parseInt(now.getFullYear().toString().substring(2)) + 50;
       date.year = parseInt(input);
       if (date.year < nearFuture) date.year += 2000;
       else date.year += 1900;