Fix rust checks never running on PR (#5334)

### What

typo'ed there

.github/workflows/on_pull_request.yml

@@ -56,7 +56,7 @@ jobs:
 
   rust-checks:
     name: "Rust Checks"
-    if: github.event.pull_request.head.repo.owner.login == 'rerun-io' && needs.cpp-paths-filter.outputs.rust_changes == 'true'
+    if: github.event.pull_request.head.repo.owner.login == 'rerun-io' && needs.rust-paths-filter.outputs.rust_changes == 'true'
     # Wait for the rust-paths-filter to be completed before starting.
     needs: rust-paths-filter
     uses: ./.github/workflows/reusable_checks_rust.yml

crates/re_ui/src/lib.rs

@@ -3,14 +3,15 @@
 mod command;
 mod command_palette;
 mod design_tokens;
+mod layout_job_builder;
+mod syntax_highlighting;
+mod toggle_switch;
+
 pub mod drag_and_drop;
 pub mod icons;
-mod layout_job_builder;
 pub mod list_item;
 pub mod modal;
-mod syntax_highlighting;
 pub mod toasts;
-mod toggle_switch;
 
 pub use command::{UICommand, UICommandSender};
 pub use command_palette::CommandPalette;