fix(tabs): set correct bootstrap focus border var (#1981)

Co-authored-by: Radoslav Karaivanov <[email protected]>

Author: adrianptrv

src/components/tabs/themes/shared/tab/tab.bootstrap.scss

@@ -67,7 +67,8 @@ $theme: $bootstrap;
             position: absolute;
             width: 100%;
             height: 100%;
-            box-shadow: inset 0 0 0 rem(2px) var-get($theme, 'item-active-hover-color');
+            box-shadow: inset 0 0 0 rem(2px) var-get($theme, 'item-hover-color');
+            border-radius: var-get($theme, 'border-radius') var-get($theme, 'border-radius') rem(4px) rem(4px);
             z-index: 2;
         }
     }
@@ -104,10 +105,6 @@ $theme: $bootstrap;
         &:focus-within {
             border: none;
             background: var-get($theme, 'item-background');
-
-            &::after{
-                border-radius: var-get($theme, 'border-radius') var-get($theme, 'border-radius') rem(4px) rem(4px);
-            }
         }
 
         &:focus-within {