chore(tabs): formatting

Author: adrianptrv

projects/igniteui-angular/src/lib/core/styles/components/tabs/_tabs-theme.scss

@@ -63,21 +63,21 @@
         flex: 0 0 auto;
         z-index: 1;
 
-      @if $bootstrap-theme {
-        position: relative;
-        background: var-get($theme, 'item-background');
+        @if $bootstrap-theme {
+            position: relative;
+            background: var-get($theme, 'item-background');
 
-        &::after {
-          content: '';
-          position: absolute;
-          bottom: 0;
-          inset-inline-start: 0;
-          width: 100%;
-          height: rem(1px);
-          background: var-get($theme, 'border-color');
-          z-index: 0;
-        }
-      }
+            &::after {
+                content: '';
+                position: absolute;
+                bottom: 0;
+                inset-inline-start: 0;
+                width: 100%;
+                height: rem(1px);
+                background: var-get($theme, 'border-color');
+                z-index: 0;
+            }
+        }
     }
 
     %tabs-header-content {