Fix plugin id for the toolbar registry plugin

[jtpio]

References

For consistency with the other @jupyterlab plugins.

Noticed when updating RetroLab to the latest @jupyterlab packages: jupyterlab/retrolab#319

Code changes

Rename plugin id.

User-facing changes

None

Backwards-incompatible changes

None (4.0 still in alpha cycle)

[jupyterlab-probot]

Thanks for making a pull request to jupyterlab!
To try out this branch on binder, follow this link:

[fcollonval]

Good catch! Thanks @jtpio.

We will need to backport it to 3.3.x after #11873 is in.

I added this as part of #11873 for 3.3

[jtpio]

I added this as part of #11873 for 3.3

Sounds good, thanks 👍

[github-actions]

Benchmark report

The execution time (in milliseconds) are grouped by test file, test type and browser.
For each case, the following values are computed: min <- [1st quartile - median - 3rd quartile] -> max.

The mean relative comparison is computed with 95% confidence.

Results table

Test file	large_code_notebook	large_md_notebook
open
chromium
actual	3985 <- [4072 - 4138 - 4208] -> 4385	2589 <- [2703 - 2748 - 2807] -> 3292
expected	3842 <- [3978 - 4118 - 4212] -> 8439	2655 <- [2772 - 2802 - 2875] -> 3448
Mean relative change	-0.4% ± 2.2%	-2.4% ± 1.0%
switch-from
chromium
actual	658 <- [740 - 762 - 787] -> 979	451 <- [492 - 502 - 516] -> 701
expected	656 <- [725 - 750 - 779] -> 929	476 <- [500 - 509 - 519] -> 542
Mean relative change	1.8% ± 2.1%	-1.0% ± 1.2%
switch-to
chromium
actual	315 <- [378 - 386 - 395] -> 501	264 <- [284 - 291 - 300] -> 347
expected	312 <- [376 - 385 - 395] -> 518	257 <- [284 - 292 - 299] -> 699
Mean relative change	-0.2% ± 1.8%	-1.1% ± 2.9%
close
chromium
actual	577 <- [965 - 984 - 999] -> 2226	474 <- [496 - 505 - 515] -> 573
expected	557 <- [953 - 974 - 990] -> 1037	477 <- [497 - 505 - 515] -> 544
Mean relative change	3.0% ± 4.4%	-0.2% ± 0.8%

Changes are computed with expected as reference.