En-/decryption fixed

frontend/src/components/form/CheckboxWidget.vue

@@ -41,7 +41,6 @@ label {
     display: flex;
     align-items: center;
 }
-
 input[type="checkbox"] {
     margin-right: 0.5em;
 }

frontend/src/components/form/FloatInputWidget.vue

@@ -41,7 +41,7 @@ export default {
     },
     computed: {
         formattedValue() {
-            return this.value != null ? this.value.toFixed(this.decimals) : '';
+            return this.value != null && typeof this.value === 'float' ? this.value.toFixed(this.decimals) : '';
         },
         step() {
             return Math.pow(10, -this.decimals);