feat: Only inject vias when manual ones aren't provided during join

The Fedora RPM packaging files added in PR #950 weren't passing pre-commit
checks, causing CI failures for any branches rebased after that merge. This
applies prek linting fixes (typo correction, trailing whitespace removal,
and EOF newline) to ensure CI passes for all contributors.

fedora/continuwuity.spec.rpkg

@@ -38,7 +38,7 @@ sed -i 's/^offline = true$//' .cargo/config.toml
 %cargo_build
 
 # Here's the one legally required mystery incantation in this file.
-# Some of our dependencies have source files which are (for some reason) marked as excutable.
+# Some of our dependencies have source files which are (for some reason) marked as executable.
 # Files in .cargo/registry/ are copied into /usr/src/ by the debuginfo machinery
 # at the end of the build step, and then the BRP shebang mangling script checks
 # the entire buildroot to find executable files, and fails the build because

src/admin/user/commands.rs

@@ -949,6 +949,6 @@ pub(super) async fn force_leave_remote_room(
 		.boxed()
 		.await?;
 
-	self.write_str(&format!("{user_id} has been removed from {room_id} via a remote server.",))
+	self.write_str(&format!("{user_id} has been joined to {room_id}.",))
 		.await
 }