removed pointless test & changed some deployment tests to make more sense
added in v-tooltip

disable stop button when loading

Closes #40610

When a project is not private, and the source branch not protected the
user can now select the option to allow maintainers to push to this
branch

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/37259

Fix https://gitlab.com/gitlab-org/gitlab-ce/issues/37194

It looks like this regressed in
https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12601 when we
switched from `fa-caret-down` to `fa-chevron-down`

This reverts commit 6ac777a7, reversing
changes made to 025cbc2a.