…ures (#24843)

See: eddiewebb/circleci-queue#79.
(cherry picked from commit 8cb02be)

…ated event (#24844)

Fixes #24799

(cherry picked from commit 6266270)

The `typography-hierarchy` mixin was missing from the documentation. This adds a couple of sentences mentioning that it exists.

(cherry picked from commit 32d31c7)

Changes of the `DIRECT` phase for the "renaming master to
main" migration/planning doc.

(cherry picked from commit 090d40f)

(cherry picked from commit 2f9a59a)

We were declaring the harness being used as a variable unecessarily. These changes align the example closer with the other harness examples.

Fixes #24732.

(cherry picked from commit 2c64ae3)

…atures (#24860)

In #24116 I explored using constructor overload for deprecations, but I forgot to add an overload for the non-deprecated signatures.

Fixes #24740.

(cherry picked from commit 08851de)

We should clean up all references to `master` and use `main`
where possible.

…24867)

(cherry picked from commit f86faf5)

…n the page if opened in quick succession (#24757)

Fixes an issue where opening a snack bar while the previous one was being animated caused the former to remain in the DOM. The problem was that MDC always waits for an animation, even if it is interrupted.

(cherry picked from commit 30f5181)