feature #17402 [Profiler] make it possible to omit the link var (xabbuh)
feature #17402 [Profiler] make it possible to omit the link var (xabbuh)

This PR was merged into the 3.1-dev branch.

Discussion
----------

[Profiler] make it possible to omit the link var

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | yes
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Currently, when you do not want to have a section in the web profiler,
you would have to explicitly pass `false` as value for the `link`
variable. With this change you can omit it when including the toolbar
item template.

Commits
-------

c430a47 [Profiler] make it possible to omit the link var

symfony/web-profiler-bundle,symfony/web-profiler-bundle