Update fix #145

src/app/components/param-computed/param-computed.component.html

 <!-- a fake input bound to nothing, for the sake of UI consistency -->
 <mat-form-field>
     <input matInput disabled [id]="inputId" class="form-control" type="text" [ngModel]="infoText" [placeholder]="param.title">
-    <button *ngIf="isDicho" mat-icon-button class="param-computed-more" (click)="openDialog()">
+    <button type="button" *ngIf="isDicho" mat-icon-button class="param-computed-more" (click)="openDialog()">
         <mat-icon>more_horiz</mat-icon>
     </button>
 </mat-form-field>

src/app/components/param-values/param-values.component.html

 <!-- a fake input bound to nothing, for the sake of UI consistency -->
 <mat-form-field>
     <input matInput disabled class="form-control" type="text" [ngModel]="infoText" [placeholder]="param.title">
-    <button mat-icon-button class="param-values-more" (click)="openDialog()">
+    <button type="button" mat-icon-button class="param-values-more" (click)="openDialog()">
         <mat-icon>more_horiz</mat-icon>
     </button>
 </mat-form-field>