update form fields control desc

Author: miljan-aleksic

src/essentials-for-yootheme-pro/addons/forms/_partials/common-element-settings.md

@@ -1,5 +1,5 @@
 | *Label* | The title for the field that represents the field data. | ✓ |
-| *Control* | The name that identifies the field control within the form. It's required and must be unique for the Form Area. |
+| *Control* | The name that identifies the field control within the form. It's required and must be unique for the Form Area. | ✓ |
 | *Value* | The default value for the field. The user can change it. | ✓ |
 | *Readonly* | Should the field be read-only. Any default value will be unedible. |
 | *Autofocus* | Should the field will be autofocused as soon as the page loads. Only one field can be focused on each page. |

src/essentials-for-yootheme-pro/addons/forms/_partials/element-hidden.md

@@ -8,5 +8,5 @@ The **Hidden Element** displays a [\<input type="hidden"\>](https://developer.mo
 
 | Setting | Description | Dynamic |
 | --- | --- | :---: |
-| *Control* | The name that identifies the field control within the form. It's required and must be unique for the form area. ||
+| *Control* | The name that identifies the field control within the form. It's required and must be unique for the form area. | &#x2713; |
 | *Value* | The value to submit for the control. | &#x2713; |

src/essentials-for-yootheme-pro/addons/forms/_partials/element-upload.md

@@ -15,7 +15,7 @@ The **Upload Element** displays a [\<input type="file"\>](https://developer.mozi
 | *Allow multiple* | Should be allowed to upload multiple files simultaneously. |
 | *Avoid collisions* | Should the uploaded filename be renamed in the case of a name conflict with a pre-existing file. The new name will be the original name appended with `_{n}`, being `n` a sequential number. |
 | *Label* | The title for the field that represents the field data. | &#x2713; |
-| *Control* | The name that identifies the field control within the form. It's required and must be unique for the Form Area. |
+| *Control* | The name that identifies the field control within the form. It's required and must be unique for the Form Area. | &#x2713; |
 | *Sync ID / Control* | Should the field ID attribute obtain it value from the Control Name. |
 
 ![Upload Display](./assets/elements/upload-display.webp)