Cleanup ScheduleBuildSettings (#7721)

# Objective
Fix #7440. Fix #7441. 

## Solution

 * Remove builder functions on `ScheduleBuildSettings` in favor of public fields, move docs to the fields.
 * Add `use_shortnames` and use it in `get_node_name` to feed it through `bevy_utils::get_short_name`.

crates/bevy_ecs/src/schedule/mod.rs

@@ -564,9 +564,10 @@ mod tests {
             let mut world = World::new();
             let mut schedule = Schedule::new();
 
-            schedule.set_build_settings(
+            schedule.set_build_settings(ScheduleBuildSettings {
-                ScheduleBuildSettings::new().with_hierarchy_detection(LogLevel::Error),
+                hierarchy_detection: LogLevel::Error,
-            );
+                ..Default::default()
+            });
 
             // Add `A`.
             schedule.configure_set(TestSet::A);
@@ -636,9 +637,10 @@ mod tests {
             let mut world = World::new();
             let mut schedule = Schedule::new();
 
-            schedule.set_build_settings(
+            schedule.set_build_settings(ScheduleBuildSettings {
-                ScheduleBuildSettings::new().with_ambiguity_detection(LogLevel::Error),
+                ambiguity_detection: LogLevel::Error,
-            );
+                ..Default::default()
+            });
 
             schedule.add_systems((res_ref, res_mut));
             let result = schedule.initialize(&mut world);

crates/bevy_ecs/src/schedule/schedule.rs

@@ -1333,10 +1333,14 @@ impl ScheduleGraph {
 // methods for reporting errors
 impl ScheduleGraph {
     fn get_node_name(&self, id: &NodeId) -> String {
-        match id {
+        let mut name = match id {
             NodeId::System(_) => self.systems[id.index()].get().unwrap().name().to_string(),
             NodeId::Set(_) => self.system_sets[id.index()].name(),
+        };
+        if self.settings.use_shortnames {
+            name = bevy_utils::get_short_name(&name);
         }
+        name
     }
 
     fn get_node_kind(id: &NodeId) -> &'static str {
@@ -1519,8 +1523,15 @@ pub enum LogLevel {
 /// Specifies miscellaneous settings for schedule construction.
 #[derive(Clone, Debug)]
 pub struct ScheduleBuildSettings {
-    ambiguity_detection: LogLevel,
+    /// Determines whether the presence of ambiguities (systems with conflicting access but indeterminate order)
-    hierarchy_detection: LogLevel,
+    /// is only logged or also results in an [`Ambiguity`](ScheduleBuildError::Ambiguity) error.
+    pub ambiguity_detection: LogLevel,
+    /// Determines whether the presence of redundant edges in the hierarchy of system sets is only
+    /// logged or also results in a [`HierarchyRedundancy`](ScheduleBuildError::HierarchyRedundancy)
+    /// error.
+    pub hierarchy_detection: LogLevel,
+    /// If set to true, node names will be shortened instead of the fully qualified type path.
+    pub use_shortnames: bool,
 }
 
 impl Default for ScheduleBuildSettings {
@@ -1534,21 +1545,7 @@ impl ScheduleBuildSettings {
         Self {
             ambiguity_detection: LogLevel::Ignore,
             hierarchy_detection: LogLevel::Warn,
+            use_shortnames: false,
         }
     }
-
-    /// Determines whether the presence of ambiguities (systems with conflicting access but indeterminate order)
-    /// is only logged or also results in an [`Ambiguity`](ScheduleBuildError::Ambiguity) error.
-    pub fn with_ambiguity_detection(mut self, level: LogLevel) -> Self {
-        self.ambiguity_detection = level;
-        self
-    }
-
-    /// Determines whether the presence of redundant edges in the hierarchy of system sets is only
-    /// logged or also results in a [`HierarchyRedundancy`](ScheduleBuildError::HierarchyRedundancy)
-    /// error.
-    pub fn with_hierarchy_detection(mut self, level: LogLevel) -> Self {
-        self.hierarchy_detection = level;
-        self
-    }
 }

examples/ecs/nondeterministic_system_order.rs

@@ -21,9 +21,10 @@ fn main() {
     App::new()
         // We can modify the reporting strategy for system execution order ambiguities on a per-schedule basis
         .edit_schedule(CoreSchedule::Main, |schedule| {
-            schedule.set_build_settings(
+            schedule.set_build_settings(ScheduleBuildSettings {
-                ScheduleBuildSettings::new().with_ambiguity_detection(LogLevel::Warn),
+                ambiguity_detection: LogLevel::Warn,
-            );
+                ..default()
+            });
         })
         .init_resource::<A>()
         .init_resource::<B>()