Made JSON content toolbar visible

ui-ngx/src/app/shared/components/json-content.component.html

@@ -18,7 +18,7 @@
 <div class="tb-json-content" style="background: #fff;" [ngClass]="{'fill-height': fillHeight}"
      tb-fullscreen
      [fullscreen]="fullscreen" (fullscreenChanged)="onFullscreen()" fxLayout="column">
-  <div fxLayout="row" fxLayoutAlign="start center" style="height: 40px;" class="tb-json-content-toolbar" *ngIf="hideToolbar">
+  <div fxLayout="row" fxLayoutAlign="start center" style="height: 40px;" class="tb-json-content-toolbar" *ngIf="!hideToolbar">
     <label class="tb-title no-padding" [ngClass]="{'tb-error': !disabled && (!contentValid || required && !contentBody), 'tb-required': !disabled && required}">{{ label }}</label>
     <span fxFlex></span>
     <button type="button"