Added clone bounds to EntityEvents that were missing them. (#19708)

# Objective

Lack of clone on certain builtin events

## Solution

Added clone to those events

## Testing

## Showcase

Author: MalekiRe

crates/bevy_core_widgets/src/core_slider.rs

@@ -461,7 +461,7 @@ pub(crate) fn slider_on_insert_step(trigger: On<Insert, SliderStep>, mut world:
 ///     commands.trigger_targets(SetSliderValue::Relative(-0.25), slider);
 /// }
 /// ```
-#[derive(Event, EntityEvent)]
+#[derive(Event, EntityEvent, Clone)]
 pub enum SetSliderValue {
     /// Set the slider value to a specific value.
     Absolute(f32),

crates/bevy_ecs/src/lifecycle.rs

@@ -328,7 +328,7 @@ pub const DESPAWN: ComponentId = ComponentId::new(4);
 /// Trigger emitted when a component is inserted onto an entity that does not already have that
 /// component. Runs before `Insert`.
 /// See [`crate::lifecycle::ComponentHooks::on_add`] for more information.
-#[derive(Event, EntityEvent, Debug)]
+#[derive(Event, EntityEvent, Debug, Clone)]
 #[cfg_attr(feature = "bevy_reflect", derive(Reflect))]
 #[cfg_attr(feature = "bevy_reflect", reflect(Debug))]
 #[doc(alias = "OnAdd")]
@@ -337,7 +337,7 @@ pub struct Add;
 /// Trigger emitted when a component is inserted, regardless of whether or not the entity already
 /// had that component. Runs after `Add`, if it ran.
 /// See [`crate::lifecycle::ComponentHooks::on_insert`] for more information.
-#[derive(Event, EntityEvent, Debug)]
+#[derive(Event, EntityEvent, Debug, Clone)]
 #[cfg_attr(feature = "bevy_reflect", derive(Reflect))]
 #[cfg_attr(feature = "bevy_reflect", reflect(Debug))]
 #[doc(alias = "OnInsert")]
@@ -348,7 +348,7 @@ pub struct Insert;
 ///
 /// Runs before the value is replaced, so you can still access the original component data.
 /// See [`crate::lifecycle::ComponentHooks::on_replace`] for more information.
-#[derive(Event, EntityEvent, Debug)]
+#[derive(Event, EntityEvent, Debug, Clone)]
 #[cfg_attr(feature = "bevy_reflect", derive(Reflect))]
 #[cfg_attr(feature = "bevy_reflect", reflect(Debug))]
 #[doc(alias = "OnReplace")]
@@ -357,15 +357,15 @@ pub struct Replace;
 /// Trigger emitted when a component is removed from an entity, and runs before the component is
 /// removed, so you can still access the component data.
 /// See [`crate::lifecycle::ComponentHooks::on_remove`] for more information.
-#[derive(Event, EntityEvent, Debug)]
+#[derive(Event, EntityEvent, Debug, Clone)]
 #[cfg_attr(feature = "bevy_reflect", derive(Reflect))]
 #[cfg_attr(feature = "bevy_reflect", reflect(Debug))]
 #[doc(alias = "OnRemove")]
 pub struct Remove;
 
 /// Trigger emitted for each component on an entity when it is despawned.
 /// See [`crate::lifecycle::ComponentHooks::on_despawn`] for more information.
-#[derive(Event, EntityEvent, Debug)]
+#[derive(Event, EntityEvent, Debug, Clone)]
 #[cfg_attr(feature = "bevy_reflect", derive(Reflect))]
 #[cfg_attr(feature = "bevy_reflect", reflect(Debug))]
 #[doc(alias = "OnDespawn")]