Add basic horizontal and vertical snapping for Line tool (#4465)

* Add on-click snapping behavior

* Fix math error with horizontal/vertical determination

* Move snap constant to where other sketch constants are

* fmt

* Fixing up some of the tests, some still need updating

* A couple other little PW test issues

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest-8-cores)

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu-latest-8-cores)

* A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest-8-cores)

* A snapshot a day keeps the bugs away! 📷🐛 (OS: windows-latest-8-cores)

* Fix remaining tests that need updating

* Make `yarn lint` happy

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

e2e/playwright/test-utils.ts

@@ -406,7 +406,7 @@ export const getMovementUtils = async (opts: any) => {
     }
   }
 
-  return { click00r }
+  return { toSU, toU, click00r }
 }
 
 async function waitForAuthAndLsp(page: Page) {