chore(ci): give the server test typecheck room, format new client files

The server's src and tests together are past 570,000 lines and the test
typecheck needs about 4.3 GB, over Node's default heap; it now gets 8 GB like
the test jobs. Forty new client files are formatted, and the react-hooks/refs
baseline drops by the one warning a split hook removed.

.github/workflows/test.yml

@@ -261,8 +261,11 @@ jobs:
         # constructor parameter does not break its hand-wired call sites at
         # compile time: the argument arrives as undefined and throws at
         # runtime, if anything reads it at all. This is the step that
-        # catches it.
+        # catches it. src and tests together are past 570,000 lines and need
+        # about 4.3 GB, over Node's default heap.
         run: cd server && npm run typecheck:tests
+        env:
+          NODE_OPTIONS: --max-old-space-size=8192
 
       - name: Typecheck entity generator
         # tsconfig.scripts.json covers generate-entities.ts and migrate-encryption.ts;