fix(js): datetime: import jquery, clone date before mutating, define variable

Author: jstirnaman

assets/js/datetime.js

@@ -1,3 +1,5 @@
+import $ from 'jquery';
+
 var date = new Date();
 var currentTimestamp = date.toISOString().replace(/^(.*)(\.\d+)(Z)/, '$1$3'); // 2023-01-01T12:34:56Z
 var currentTime = date.toISOString().replace(/(^.*T)(.*)(Z)/, '$2') + '084216'; // 12:34:56.000084216
@@ -28,7 +30,8 @@ function enterpriseEOLDate() {
     'November',
     'December',
   ];
-  var inTwoYears = date.setFullYear(date.getFullYear() + 2);
+  var inTwoYears = new Date(date);
+  inTwoYears.setFullYear(inTwoYears.getFullYear() + 2);
   let earliestEOL = new Date(inTwoYears);
   return `${monthNames[earliestEOL.getMonth()]} ${earliestEOL.getDate()}, ${earliestEOL.getFullYear()}`;
 }