chore(demo): InputDateTime simplify

projects/demo/src/modules/components/input-date-time/examples/7/index.html

@@ -1,11 +1,9 @@
-<form [formGroup]="testForm">
-    <tui-input-date-time formControlName="testValue">Choose date and time</tui-input-date-time>
-    <tui-error
-        formControlName="testValue"
-        [error]="[] | tuiFieldError | async"
-    ></tui-error>
+<tui-input-date-time [formControl]="control">Choose date and time</tui-input-date-time>
+<tui-error
+    [error]="[] | tuiFieldError | async"
+    [formControl]="control"
+></tui-error>
 
-    <p>Form value:</p>
+<p>Form value:</p>
 
-    <pre><code>{{ testForm.value | json }}</code></pre>
-</form>
+<pre><code>{{ control.value | json }}</code></pre>

projects/demo/src/modules/components/input-date-time/examples/7/index.ts

@@ -3,7 +3,6 @@ import {Component} from '@angular/core';
 import {
     AbstractControl,
     FormControl,
-    FormGroup,
     ReactiveFormsModule,
     type ValidationErrors,
     type ValidatorFn,
@@ -35,10 +34,8 @@ const completeDateTimeValidator: ValidatorFn = (
     changeDetection,
 })
 export default class Example {
-    protected readonly testForm = new FormGroup({
-        testValue: new FormControl(
-            [new TuiDay(2017, 2, 15), null],
-            completeDateTimeValidator,
-        ),
-    });
+    protected readonly control = new FormControl(
+        [new TuiDay(2017, 2, 15), null],
+        completeDateTimeValidator,
+    );
 }