fix(input): add border radius to bundle so the background doesn't overflow

Author: didimmova

projects/igniteui-angular/src/lib/core/styles/components/input/_input-group-theme.scss

@@ -1037,9 +1037,9 @@
     %form-group-bundle--search {
         background: var-get($theme, 'search-background');
         box-shadow: var-get($theme, 'search-resting-shadow');
+        border-radius: var-get($theme, 'search-border-radius');
 
         @if $variant != 'bootstrap' {
-            border-radius: var-get($theme, 'search-border-radius');
             overflow: hidden;
         }