Merge pull request #6843 from IgniteUI/didimmova/toast-message-bootstrap-fix-1792

fix(toast): text wasn't visible in bootstrap light theme

Author: kdinev

projects/igniteui-angular/src/lib/core/styles/themes/schemas/light/_toast.scss

@@ -56,6 +56,10 @@ $_bootstrap-toast: extend(
     (
         variant: 'bootstrap',
         background: #fff,
+
+        text-color: (
+            igx-color: ('grays', 600)
+        )
     )
 );