Stream handling / Stream idle mode v2; a ton of network related changes (ping; scene indicator -> stream indicator, stream resizing (even on pause)) (#5312)

* Add back stream idle mode

* Shut up codespell

* Correct serialization; only expose at user level

* cargo fmt

* tsc lint fmt

* Move engineStreamMachine as a global actor; tons of more work

* Fix up everything after bumping kittycad/lib

* Remove camera sync

* Use pause/play iconology

* Add back better ping indicator

* wip

* Fix streamIdleMode checkbox being wonky

* yarn fmt

* Massive extinction event for waitForExecutionDone; try to stop projects view switching from crashing

* Clear diagnostics when unmounting code editor!

* wip

* Rework initial root projects dir + deflake many projects tests

* More e2e fixes

* Deflake revolve some revolve tests

* Fix the rest of the mfing tests

* yarn fmt

* yarn lint

* yarn tsc

* Fix tsc after rebase

* wip

* less flaky point and click

* wip

* Fixup after rebase

* Fix more tests

* Fix 2 more

* Fix up named-views tests

* yarn fmt lint tsc

* Fix up new changes

* Get rid of 1 cyclic dependency

* Fix another cyclic mfer!

* fmt

* fmt tsc

* Fix zoom to fit being frigged

* a new list of circular deps

* Remove NetworkHealthIndicator test that was shit

* Fix the bad reload repeat issue kevin started on

* Fix zoom to fit at the right moments...

* Fix cache count numbers in editor test

* Remove a test race - poll window info.

* Qualify fail function

* Try something

* Use scene.connectionEstablished

* Hopefully fix snapshots at least

* Add app console.log

* Fix native menu tests more

* tsc lint

* Fix camera failure

* Try again

* Test attempt number 15345203, action!

* Add back old window detection heuristic

* Remove firstWindow to complete the work of 2342d04fe2

* Tweak some tests for MacOS

* Tweak "set appearance" test for MacOS

Revert this if it messes up any other platform's color checks!

* Are you serious? This was all that needed formatting?

* More color tweaks

Local MacOS and CI MacOS don't agree

* Fixes on apperance e2e test for stream idle branch (#6168)

pierremtb/stream-idle-revamp-appearance-fixes

* Another apperance fix

* Skip one native menu test to make stream idle green (#6169)

* pierremtb/stream-idle-revamp-more-fixes

* Fix lint

* Update snapshot for test_generate_settings_docs

---------

Co-authored-by: lee-at-zoo-corp <lee@zoo.dev>
Co-authored-by: Frank Noirot <frankjohnson1993@gmail.com>
Co-authored-by: Pierre Jacquier <pierrejacquier39@gmail.com>
Co-authored-by: Pierre Jacquier <pierre@zoo.dev>

e2e/playwright/test-utils.ts

@@ -74,7 +74,10 @@ async function waitForPageLoadWithRetry(page: Page) {
   await expect(async () => {
     await page.goto('/')
     const errorMessage = 'App failed to load - 🔃 Retrying ...'
-    await expect(page.getByTestId('loading'), errorMessage).not.toBeAttached({
+    await expect(
+      page.getByTestId('model-state-indicator-playing'),
+      errorMessage
+    ).toBeAttached({
       timeout: 20_000,
     })
 
@@ -87,9 +90,10 @@ async function waitForPageLoadWithRetry(page: Page) {
   }).toPass({ timeout: 70_000, intervals: [1_000] })
 }
 
+// lee: This needs to be replaced by scene.settled() eventually.
 async function waitForPageLoad(page: Page) {
   // wait for all spinners to be gone
-  await expect(page.getByTestId('loading')).not.toBeAttached({
+  await expect(page.getByTestId('model-state-indicator-playing')).toBeVisible({
     timeout: 20_000,
   })
 
@@ -871,9 +875,10 @@ export async function tearDown(page: Page, testInfo: TestInfo) {
 export async function setup(
   context: BrowserContext,
   page: Page,
+  testDir: string,
   testInfo?: TestInfo
 ) {
-  await context.addInitScript(
+  await page.addInitScript(
     async ({
       token,
       settingsKey,
@@ -914,7 +919,7 @@ export async function setup(
         },
       }),
       IS_PLAYWRIGHT_KEY,
-      PLAYWRIGHT_TEST_DIR: TEST_SETTINGS.project?.directory || '',
+      PLAYWRIGHT_TEST_DIR: testDir,
       PERSIST_MODELING_CONTEXT,
     }
   )
@@ -934,7 +939,7 @@ export async function setup(
   await page.emulateMedia({ reducedMotion: 'reduce' })
 
   // Trigger a navigation, since loading file:// doesn't.
-  // await page.reload()
+  await page.reload()
 }
 
 function failOnConsoleErrors(page: Page, testInfo?: TestInfo) {