Fix Bug 2121: NG-UI uses unmaintained Chokidar version

	- Upgraded Angular from 11 to 14 version to remove chokidar
	  unmaintained version.
	- Changed linting tool tslint to eslint for angular 14 as tslint
	  is depreacted after angular 12
	- Resolved linting issues from code

Change-Id: I00e908ab651db0f080e0d18a9d1c9711f4e36b91
Signed-off-by: SANDHYA.JS <sandhya.j@tataelxsi.co.in>
diff --git a/src/assets/scss/mixins/_rem.scss b/src/assets/scss/mixins/_rem.scss
index 960132a..4abd417 100644
--- a/src/assets/scss/mixins/_rem.scss
+++ b/src/assets/scss/mixins/_rem.scss
@@ -20,6 +20,8 @@
  * example: @include rem("font-size", 14);
  */
 
+@use "sass:math";
+
 @mixin rem($property, $values...) {
     $n: length($values);
     $i: 1;
@@ -29,7 +31,7 @@
         $itemVal: (nth($values, $i));
         @if $itemVal !="auto" {
             $pxlist: append($pxlist, $itemVal + px);
-            $remlist: append($remlist, ($itemVal / 16) + rem);
+            $remlist: append($remlist, math.div($itemVal, 16) + rem);
         }
         @else {
             $pxlist: append($pxlist, auto);