Plugins: Add Subresource Integrity checks (#93024)

* Plugins: Pass hashes for SRI to frontend

* Add SRI hashes to frontendsettings DTOs

* Add docstring

* TestSriHashes

* Fix typo

* Changed SriHashes to ModuleHash

* update loader_test compareOpts

* update ModuleHash error message

* Add TestModuleHash/no_module.js

* Add omitEmpty to moduleHash

* Add ModuleHash to api/plugins/${pluginId}/settings

* moved ModuleHash field

* feat(plugins): add moduleHash to bootData and plugin types

* feat(plugins): if moduleHash is available apply it to systemjs importmap

* Calculate ModuleHash for CDN provisioned plugins

* Add ModuleHash tests for TestCalculate

* adjust test case name

* removed .envrc

* Fix signature verification failing for internal plugins

* fix tests

* Add pluginsFilesystemSriChecks feature togglemk

* renamed FilesystemSriChecksEnabled

* refactor(plugin_loader): prefer extending type declaration over ts-error

* added a couple more tests

* Removed unused features

* Removed unused argument from signature.DefaultCalculator call

* Removed unused argument from bootstrap.DefaultConstructFunc

* Moved ModuleHash to pluginassets service

* update docstring

* lint

* Removed cdn dependency from manifest.Signature

* add tests

* fix extra parameters in tests

* "fix" tests

* removed outdated test

* removed unused cdn dependency in signature.DefaultCalculator

* reduce diff

* Cache returned values

* Add support for deeply nested plugins (more than 1 hierarchy level)

* simplify cache usage

* refactor TestService_ModuleHash_Cache

* removed unused testdata

* re-generate feature toggles

* use version for module hash cache

* Renamed feature toggle to pluginsSriChecks and use it for both cdn and filesystem

* Removed app/types/system-integrity.d.ts

* re-generate feature toggles

* re-generate feature toggles

* feat(plugins): put systemjs integrity hash behind feature flag

---------

Co-authored-by: Jack Westbrook <jack.westbrook@gmail.com>

pkg/services/pluginsintegration/pluginassets/testdata/module-hash-valid/MANIFEST.txt

@@ -0,0 +1,32 @@
+
+-----BEGIN PGP SIGNED MESSAGE-----
+Hash: SHA512
+
+{
+  "manifestVersion": "2.0.0",
+  "signatureType": "private",
+  "signedByOrg": "giuseppeguerra",
+  "signedByOrgName": "giuseppeguerra",
+  "rootUrls": [
+    "http://127.0.0.1:3000/"
+  ],
+  "plugin": "test-datasource",
+  "version": "1.0.0",
+  "time": 1725959570435,
+  "keyId": "7e4d0c6a708866e7",
+  "files": {
+    "module.js": "5891b5b522d5df086d0ff0b110fbd9d21bb4fc7163af34d08286a2e846f6be03",
+    "plugin.json": "129fab4e0584d18c778ebdfa5fe1a68edf2e5c5aeb8290b2c68182c857cb59f8"
+  }
+}
+-----BEGIN PGP SIGNATURE-----
+Version: OpenPGP.js v4.10.11
+Comment: https://openpgpjs.org
+
+wrkEARMKAAYFAmbgDZIAIQkQfk0ManCIZucWIQTzOyW2kQdOhGNlcPN+TQxq
+cIhm5wbfAgkAXmKJcM8uAKb3TepYW/oyGhRLR8L6eM9mCoYwKkatITKJ6bRe
+Wnz37AMcPx0DahgfCzCXRLo4CspPJylr2JV8DagCCQCfCjHgLFhKGpBP71Y1
+mgcQ1/CJefb6B2H45G25MwUFTlSTGLDqW4QMi2kQvXnnUMjXquv2+iVd6qyz
+0Rqvpou/QQ==
+=QNmr
+-----END PGP SIGNATURE-----