feat(server): improve ci build (#15386)

#### PR Dependency Tree


* **PR #15386** 👈

This tree was auto-generated by
[Charcoal](https://github.com/danerwilliams/charcoal)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Bug Fixes**
  * Improved email rendering and formatting consistency.
* Preserved calendar synchronization windows while removing reliance on
date utility libraries.
* Enhanced cleanup of Prisma engine files, including deduplication and
space-saving reporting.

* **Tests**
  * Updated email snapshots to validate formatted HTML output.

* **Refactor**
* Streamlined email component usage and centralized email rendering
behavior.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/backend/server/package.json

@@ -64,13 +64,21 @@
     "@prisma/client": "^6.6.0",
     "@prisma/instrumentation": "^6.7.0",
     "@queuedash/api": "^3.16.0",
-    "@react-email/components": "^0.5.7",
+    "@react-email/body": "0.3.0",
+    "@react-email/button": "0.2.1",
+    "@react-email/container": "0.0.16",
+    "@react-email/head": "0.0.13",
+    "@react-email/html": "0.0.12",
+    "@react-email/img": "0.0.12",
+    "@react-email/link": "0.0.13",
+    "@react-email/row": "0.0.13",
+    "@react-email/section": "0.0.17",
+    "@react-email/text": "0.1.6",
     "@socket.io/redis-adapter": "^8.3.0",
     "bullmq": "^5.79.0",
     "commander": "^13.1.0",
     "cookie-parser": "^1.4.7",
     "cross-env": "^10.1.0",
-    "date-fns": "^4.4.0",
     "dotenv": "^16.4.7",
     "eventemitter2": "^6.4.9",
     "exa-js": "^2.4.0",
@@ -81,7 +89,6 @@
     "graphql": "^16.13.2",
     "graphql-scalars": "^1.24.0",
     "graphql-upload": "^17.0.0",
-    "html-validate": "^9.0.0",
     "htmlrewriter": "^0.0.12",
     "http-errors": "^2.0.0",
     "ioredis": "^5.11.1",
@@ -102,7 +109,6 @@
     "reflect-metadata": "^0.2.2",
     "rxjs": "^7.8.2",
     "semver": "^7.7.4",
-    "ses": "^1.15.0",
     "socket.io": "^4.8.3",
     "stripe": "^17.7.0",
     "tldts": "^7.0.19",
@@ -119,6 +125,7 @@
     "@faker-js/faker": "^10.1.0",
     "@nestjs/swagger": "^11.2.7",
     "@nestjs/testing": "patch:@nestjs/testing@npm%3A11.1.18#~/.yarn/patches/@nestjs-testing-npm-11.1.18-32c0f6af12.patch",
+    "@react-email/render": "1.4.0",
     "@types/cookie-parser": "^1.4.8",
     "@types/express": "^5.0.1",
     "@types/express-serve-static-core": "^5.0.6",