Merge pull request #12921 from IgniteUI/simeonoff/fix-12893-15.1.x

fix(toolbar): showProgress doesn't show progressbar

Author: Lipata

projects/igniteui-angular/src/lib/core/styles/components/grid-toolbar/_grid-toolbar-theme.scss

@@ -121,6 +121,7 @@
     );
 
     %igx-grid-toolbar {
+        position: relative;
         width: 100%;
         display: flex;
         align-items: center;

src/app/grid-export/grid-export.sample.scss

@@ -1,5 +1,4 @@
-.igx-grid,
-.igx-grid-toolbar {
+igx-grid {
     margin-bottom: 3rem;
 }