fix(observatory): preserve camera across follow transitions

apps/control-station/test/observationSources.test.mjs

@@ -486,6 +486,12 @@ test("recorded blueprint fetch is bounded, strict and sends only display setting
       activeView: "perception3d",
       viewResetGeneration: 1,
       followTrajectory: true,
+      cameraEye: {
+        position: [3, 4, 5],
+        lookTarget: [1, 2, 0],
+        eyeUp: [0, 0, 1],
+      },
+      eyeRelativeToTracking: true,
       currentTimeNs: 39_215_263_458,
       onCameraMaxOrbitalRadius: value => cameraLimits.push(value),
       unifiedCameraShare: 0.73,
@@ -530,9 +536,10 @@ test("recorded blueprint fetch is bounded, strict and sends only display setting
     unified_camera_share: 0.73,
     semantic_layer: null,
     plan_view: false,
-    eye_position: null,
-    eye_look_target: null,
-    eye_up: null,
+    eye_position: [3, 4, 5],
+    eye_look_target: [1, 2, 0],
+    eye_up: [0, 0, 1],
+    eye_relative_to_tracking: true,
     show_camera_image: true,
     show_detections_2d: true,
     show_segmentation: false,