fix: specify input mode on mobile

src/app/components/pab-table/pab-table.component.html

@@ -88,7 +88,9 @@
 
                     <input matInput *ngIf="isNumberInput(cell)" type="text"  required 
                         [ngModel]="getCellValue(cell)"  (ngModelChange)="setCellValue(cell,$event)" 
-                        (input)="inputValueChanged($event, cell)" (keypress) ="invalidNANInputValue($event)">
+                        (input)="inputValueChanged($event, cell)" (keypress) ="invalidNANInputValue($event)" 
+                        pattern="^-?([0-9]*\.)?([0-9]+[Ee]-?)?[0-9]+$" inputmode="numeric"
+                        >
 
                     <mat-select #selectWidget *ngIf="isSelect(cell)" [value]="cell.modelValue"
                         (selectionChange)="loiDebitSelected($event, cell)">