chore: turn e2e tests back on with fixes (#5719)

* Improvement - wip

* Cut out extra waits, increase timeouts

* Fix timeout syntax

* Extend timeouts for safety

* Turn e2e back on

* Format

.github/workflows/coder.yaml

@@ -575,7 +575,7 @@ jobs:
     name: "test/e2e/${{ matrix.os }}"
     needs:
       - changes
-    if: false #needs.changes.outputs.docs-only == 'false'
+    if: needs.changes.outputs.docs-only == 'false'
     runs-on: ${{ matrix.os }}
     timeout-minutes: 20
     strategy: