Add a type hint for `get_device_handler()` and fix incorrect types. (#14055)

This was the last untyped handler from the HomeServer object. Since
it was being treated as Any (and thus unchecked) it was being used
incorrectly in a few places.

1 files changed, 1 insertions, 0 deletions

diff --git a/changelog.d/14055.misc b/changelog.d/14055.misc
new file mode 100644
index 0000000000..02980bc528
--- /dev/null
+++ b/changelog.d/14055.misc
@@ -0,0 +1 @@
+Add missing type hints to `HomeServer`.