fix: clipboard icon on hover

mentioned in commit 9f505bdc

mentioned in merge request gitlab!200176 (merged)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1917 (closed)

mentioned in merge request gitlab!200201 (closed)

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1919 (merged)

mentioned in merge request gitlab!200542 (closed)

mentioned in commit c7723ae7

mentioned in merge request gitlab-org/editor-extensions/gitlab-jetbrains-plugin!1935 (merged)