fix upper lower clean operation
<div class="qc-selected-value">Normalize</div>
<mat-radio-group class="qc-radio-group" [(ngModel)]="operations[2].choice" name="normalize">
- <mat-radio-button class="qc-margin-rb" value="ucase">UPPERCASE</mat-radio-button>
- <mat-radio-button class="qc-margin-rb" value="lcase">lowercase</mat-radio-button>
+ <mat-radio-button class="qc-margin-rb" value="upper">UPPERCASE</mat-radio-button>
+ <mat-radio-button class="qc-margin-rb" value="lower">lowercase</mat-radio-button>
<mat-radio-button class="qc-margin-rb" value="initcap">TitleCase</mat-radio-button>
</mat-radio-group>
