Fix: Make sure `RawInput::take` clears all events, like it says it does (#5104)

crates/egui/src/data/input.rs

@@ -116,10 +116,14 @@ impl RawInput {
     pub fn take(&mut self) -> Self {
         Self {
             viewport_id: self.viewport_id,
-            viewports: self.viewports.clone(),
+            viewports: self
+                .viewports
+                .iter_mut()
+                .map(|(id, info)| (*id, info.take()))
+                .collect(),
             screen_rect: self.screen_rect.take(),
             max_texture_side: self.max_texture_side.take(),
-            time: self.time.take(),
+            time: self.time,
             predicted_dt: self.predicted_dt,
             modifiers: self.modifiers,
             events: std::mem::take(&mut self.events),
@@ -247,6 +251,23 @@ impl ViewportInfo {
             .any(|&event| event == ViewportEvent::Close)
     }
 
+    /// Helper: move [`Self::events`], clone the other fields.
+    pub fn take(&mut self) -> Self {
+        Self {
+            parent: self.parent,
+            title: self.title.clone(),
+            events: std::mem::take(&mut self.events),
+            native_pixels_per_point: self.native_pixels_per_point,
+            monitor_size: self.monitor_size,
+            inner_rect: self.inner_rect,
+            outer_rect: self.outer_rect,
+            minimized: self.minimized,
+            maximized: self.maximized,
+            fullscreen: self.fullscreen,
+            focused: self.focused,
+        }
+    }
+
     pub fn ui(&self, ui: &mut crate::Ui) {
         let Self {
             parent,