more fixes

src/input/help_page.rs

@@ -115,7 +115,7 @@ fn execute_focused_block(ctx: &mut InputContext) {
         let Some(parsed) = cache[ctx.app.ui.help_topic].as_ref() else {
             return;
         };
-        let idx = ctx.app.ui.help_focused_block.unwrap();
+        let idx = ctx.app.ui.help_focused_block.expect("block focused in code nav");
         let Some(block) = parsed.code_blocks.get(idx) else {
             return;
         };