adjust filter style and add filter to device list

src/app/lists/folder-list/folder-list.component.html

@@ -1,6 +1,6 @@
 <mat-form-field>
     <mat-label>Filter</mat-label>
-    <input matInput (keyup)="applyFilter($event)" placeholder="Ex. ium">
+    <input matInput (keyup)="applyFilter($event)" placeholder="Ex. Up to Date">
 </mat-form-field>
 <table mat-table class="full-width-table" matSort aria-label="Elements">
     <!-- Id Column -->
@@ -31,6 +31,6 @@
     <tr mat-row *matRowDef="let row; columns: displayedColumns;"></tr>
 </table>
 
-<mat-paginator #paginator [length]="dataSource?.data.length" [pageIndex]="0" [pageSize]="50"
+<mat-paginator #paginator [length]="dataSource?.data.length" [pageIndex]="0" [pageSize]="25"
     [pageSizeOptions]="[25, 50, 100, 250]">
 </mat-paginator>