Snap to origin and axis behavior for profile starts and segments (#4344)

* Visualize draft point when near axes (only works on XY rn due to quaternion rotation issue)

* Slightly better quaternion rotation

* Actually snap new profiles to the X and Y axis

* Add snapping behavior while dragging

* Fix flickering on non-XY planes

* Add some fixture additions to support click-and-drag tests

* Add new test to verify snapping behavior

* Make the editor test fixture auto-open and close as needed

* All feedback except absolute lines

* Use `lineTo` for lines that have snapped

* Get other existing tests passing after switching to `lineTo` when snapping

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest)

* Re-run CI

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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

e2e/playwright/basic-sketch.spec.ts

@@ -86,7 +86,7 @@ async function doBasicSketch(page: Page, openPanes: string[]) {
   |> startProfileAt(${commonPoints.startAt}, %)
   |> line([${commonPoints.num1}, 0], %)
   |> line([0, ${commonPoints.num1 + 0.01}], %)
-  |> line([-${commonPoints.num2}, 0], %)`)
+  |> lineTo([0, ${commonPoints.num3}], %)`)
   }
 
   // deselect line tool