Clarify Arrange cancellation and correct mounted typing fixture

crates/oa-desktop/src/app/allocation_drag.rs

@@ -16,6 +16,7 @@ use std::{
 
 pub const FINISH_EDIT: &str =
     "Finish or cancel the current edit before selecting or moving elements.";
+const ARRANGE_ARMED: &str = "Arrange next drag armed · presentation only · Esc cancels";
 
 #[derive(Debug, Clone, Copy, PartialEq)]
 pub struct Stamp {
@@ -700,7 +701,12 @@ impl App {
                 | Message::DiagramUsagesReady(_)
                 | Message::DiagramRevealViewport(..)
         ) {
+            let clear_armed_status =
+                self.allocation_drag.arrange_next && self.status == ARRANGE_ARMED;
             self.allocation_drag.retire();
+            if clear_armed_status {
+                self.status = "Arrange cancelled".into();
+            }
         }
     }
     pub(super) fn allocation_boundary(&self) -> impl PartialEq + use<> {
@@ -842,8 +848,7 @@ impl App {
                 self.allocation_drag.retire();
                 if self.allocation_drag_clean() {
                     self.allocation_drag.arrange_next = true;
-                    self.status =
-                        "Arrange next drag armed · presentation only · Esc cancels".into();
+                    self.status = ARRANGE_ARMED.into();
                 } else {
                     self.status = FINISH_EDIT.into();
                 }