Merge pull request #134 from netgrif/NAE-1742

[NAE-1742] I18nField throws error on frontend when its value is null

Author: machacjozef

projects/netgrif-components/src/lib/data-fields/i18n-field/i18n-divider-field/i18n-divider-field.component.html

@@ -2,9 +2,9 @@
     <div fxFlex="20" class="divider-line"
          [ngClass]="{'divider-line-lgbt': isDividerLGBTQ(), 'primary-background-color': !dividerPropertyEnabled('dividerColor')}"
          [ngStyle]="dividerPropertyEnabled('dividerColor') && {'background': getDividerColor()}"></div>
-    <span [ngClass]="{'margin-default': dividerI18nField.value.defaultValue !== ''}"
+    <span *ngIf='!!dividerI18nField.value' [ngClass]="{'margin-default': dividerI18nField.value?.defaultValue !== ''}"
           [ngStyle]="dividerPropertyEnabled('fontSize') && {'font-size': getDividerFontSize()}">
-        {{dividerI18nField.value.defaultValue}}
+        {{dividerI18nField.value?.defaultValue ?? ''}}
     </span>
     <div fxFlex class="divider-line"
          [ngClass]="{'divider-line-lgbt': isDividerLGBTQ(), 'primary-background-color': !dividerPropertyEnabled('dividerColor')}"