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Clipboard functions doesn't work in Firefox Beta

See original GitHub issue

Describe the bug I’ve noticed that after a recent updated clipboard functionality stopped to work

Firefox 107.0b9 Vimium 1.67.4

here is what I see in console:

Feature Policy: Skipping unsupported feature name “clipboard-read”. [hud.js:29:6](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/content_scripts/hud.js)
Feature Policy: Skipping unsupported feature name “clipboard-write”. [hud.js:29:6](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/content_scripts/hud.js)
Feature Policy: Skipping unsupported feature name “clipboard-read”. [ui_component.js:49:48](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/content_scripts/ui_component.js)
Feature Policy: Skipping unsupported feature name “clipboard-write”. [ui_component.js:49:48](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/content_scripts/ui_component.js)
Feature Policy: Skipping unsupported feature name “clipboard-read”. [ui_component.js:50:33](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/content_scripts/ui_component.js)
Feature Policy: Skipping unsupported feature name “clipboard-write”. [ui_component.js:50:33](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/content_scripts/ui_component.js)
Layout was forced before the page was fully loaded. If stylesheets are not yet loaded this may cause a flash of unstyled content. [hud.html](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/hud.html)
This page is in Quirks Mode. Page layout may be impacted. For Standards Mode use “<!DOCTYPE html>”.
[hud.html](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/hud.html)
Uncaught (in promise) DOMException: Clipboard write was blocked due to lack of user activation. [clipboard.js:18](moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/lib/clipboard.js)
    copyToClipboard moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/hud.js:151
    AsyncFunctionThrow self-hosted:811
    (Async: async)
    setTimeout moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/lib/utils.js:278
    copyToClipboard moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/hud.js:145
    <anonymous> moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/hud.js:174
    onmessage moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/ui_component_server.js:23
    (Async: EventHandlerNonNull)
    portOpen moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/ui_component_server.js:21
    registerPort moz-extension://4efc01c9-4ed1-45f8-a249-ae59618421b5/pages/ui_component_server.js:9
    apply self-hosted:2736
    applySafeWithoutClone resource://gre/modules/ExtensionCommon.jsm:622
    applySafe resource://gre/modules/ExtensionCommon.jsm:605
    applySafe self-hosted:1356
    wrapPromise resource://gre/modules/ExtensionCommon.jsm:808