chore(*): reverted inputs type to box

Author: igdmdimitrov

projects/igniteui-angular/src/lib/grids/filtering/base/grid-filtering-row.component.html

@@ -11,7 +11,7 @@
 </igx-drop-down>
 
 <ng-template #defaultFilterUI>
-    <igx-input-group #inputGroup type="fluent" [displayDensity]="displayDensity" (focusout)="onInputGroupFocusout()">
+    <igx-input-group #inputGroup type="box" [displayDensity]="displayDensity" (focusout)="onInputGroupFocusout()">
         <igx-prefix #inputGroupPrefix
                     (click)="inputGroupPrefixClick($event)"
                     (keydown)="onPrefixKeyDown($event)"
@@ -51,7 +51,7 @@
         (onSelection)="onDateSelected($event)"
         (onClosed)="datePickerClose()">
         <ng-template igxDatePickerTemplate let-openDialog="openDialog">
-            <igx-input-group #inputGroup type="fluent" [displayDensity]="displayDensity" (focusout)="onInputGroupFocusout()">
+            <igx-input-group #inputGroup type="box" [displayDensity]="displayDensity" (focusout)="onInputGroupFocusout()">
                 <igx-prefix #inputGroupPrefix
                             tabindex="0"
                             (click)="inputGroupPrefixClick($event)"