[IMP] mail: convert LegacyComponent of ActivityMarkDonePopoverContent

part of task-2783065

closes odoo/odoo#102349

Signed-off-by: Sébastien Theys (seb) <seb@odoo.com>

addons/mail/static/src/components/activity_mark_done_popover_content/activity_mark_done_popover_content.js

@@ -1,20 +1,17 @@
 /** @odoo-module **/
 
-import { useComponentToModel } from '@mail/component_hooks/use_component_to_model';
 import { useRefToModel } from '@mail/component_hooks/use_ref_to_model';
 import { registerMessagingComponent } from '@mail/utils/messaging_component';
-import { LegacyComponent } from "@web/legacy/legacy_component";
 
-const { onMounted, useRef } = owl;
+const { Component, onMounted, useRef } = owl;
 
-export class ActivityMarkDonePopoverContent extends LegacyComponent {
+export class ActivityMarkDonePopoverContent extends Component {
 
     /**
      * @override
      */
     setup() {
         super.setup();
-        useComponentToModel({ fieldName: 'component' });
         useRefToModel({ fieldName: 'feedbackTextareaRef', refName: 'feedbackTextarea' });
         this._feedbackTextareaRef = useRef('feedbackTextarea');
         onMounted(() => this._mounted());

addons/mail/static/src/models/activity_mark_done_popover_content_view.js

@@ -117,7 +117,6 @@ registerModel({
                 return clear();
             },
         }),
-        component: attr(),
         feedbackTextareaRef: attr(),
         hasHeader: attr({
             compute() {