Fixing pattern regex in account-details component

src/app/components/account-details/account-details.component.html

@@ -605,7 +605,7 @@ <h2 class="uk-modal-title">Create Block for Remote Signing</h2>
                 <div class="uk-width-1-1">
                   <div class="uk-inline uk-width-1-1">
                     <a class="uk-form-icon uk-form-icon-flip form-icon-btn" (click)="setMaxAmount()" style="padding-right: 7px;" uk-tooltip title="Set Maximum Amount">Max</a>
-                    <input [(ngModel)]="amount" [ngClass]="{ 'uk-form-danger': amountStatus === 0 }" class="uk-input" id="form-horizontal-text" (input)="syncFiatPrice()" type="number" step="1" pattern="[0-9]" oninput="this.value=(parseInt(this.value)||0)" placeholder="Amount of {{ selectedAmount.name }} to send" maxlength="40">
+                    <input [(ngModel)]="amount" [ngClass]="{ 'uk-form-danger': amountStatus === 0 }" class="uk-input" id="form-horizontal-text" (input)="syncFiatPrice()" type="number" step="1" pattern="[0-9]+" oninput="this.value=(parseInt(this.value)||0)" placeholder="Amount of {{ selectedAmount.name }} to send" maxlength="40">
                   </div>
                   <div *ngIf="amountRaw.gt(0)" class="uk-width-1-1 uk-width-3-5@m uk-text-small uk-text-muted uk-margin-remove">
                     <span uk-tooltip title="Additional raw to send">+{{ amountRaw.toString(10) }} raw</span> &nbsp; <a class="uk-text-danger" (click)="resetRaw()" uk-tooltip title="Remove the additional raw amount from the total amount" uk-icon="icon: close"></a>