Fix infinite redraw that sometimes happened in a spatial 3d view (#12030)

### Related

- Closes RR-3063

### What

Fixes infinite redraw bug that sometimes happened after the first input
in spatial views.

Author: IsseW

crates/viewer/re_view_spatial/src/eye.rs

@@ -994,10 +994,15 @@ impl EyeState {
             let t = t.clamp(0.0, 1.0);
             let t = ease_out(t);
 
-            // Make sure to repaint if we're interpolating.
-            ctx.egui_ctx().request_repaint();
+            if t < 1.0 {
+                // Make sure to repaint if we're interpolating.
+                ctx.egui_ctx().request_repaint();
 
-            interpolation.start.lerp(&target_eye, t)
+                interpolation.start.lerp(&target_eye, t)
+            } else {
+                self.stop_interpolation();
+                target_eye
+            }
         } else {
             self.stop_interpolation();
             target_eye