Improvements on GUI + API:

- Add generic key-value dialog
- Allow multiple file upload
- Add ESC and enter key handle to dialog
- Improve File application

src/core/gui.ts

@@ -335,7 +335,7 @@ namespace OS {
                 return;
             }
             const list = apps.map((e) => ({
-                text: e.app,
+                text: e.name,
                 icon: e.icon,
                 iconclass: e.iconclass,
             }));
@@ -1221,6 +1221,7 @@ namespace OS {
 <afx-menu id="contextmenu" data-id="contextmenu" context="true" style="display:none;"></afx-menu>
 <afx-label id="systooltip" data-id="systooltip" style="display:none;position:absolute;"></afx-label>
 <textarea id="clipboard"></textarea>\
+<input type="file" id="antos_upload_files" name="files" multiple style="display: none;">\
 `;
 
         schemes.login = `\