Chore: update react-inlinesvg and use new icon caching mechanism (#97725)

* Update dependency react-inlinesvg to v4

* attempt to use new icon caching

* remove unicons chunk

* fix layout shift

* update snapshot

* parameterise cache by commit hash and clear old caches

* remove icon caching in storybook

---------

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

package.json

@@ -59,7 +59,6 @@
     "betterer:merge": "betterer merge --tsconfig ./scripts/cli/tsconfig.json",
     "betterer:stats": "ts-node --transpile-only --project ./scripts/cli/tsconfig.json ./scripts/cli/reportBettererStats.ts",
     "betterer:issues": "ts-node --transpile-only --project ./scripts/cli/tsconfig.json ./scripts/cli/generateBettererIssues.ts",
-    "generate-icons-bundle-cache-file": "node ./scripts/generate-icon-bundle.js",
     "plugin:build": "nx run-many -t build --projects='tag:scope:plugin'",
     "plugin:build:commit": "nx run-many -t build:commit --projects='tag:scope:plugin'",
     "plugin:build:dev": "nx run-many -t dev --projects='tag:scope:plugin' --maxParallel=100",
@@ -377,7 +376,7 @@
     "react-highlight-words": "0.20.0",
     "react-hook-form": "^7.49.2",
     "react-i18next": "^14.0.0",
-    "react-inlinesvg": "3.0.2",
+    "react-inlinesvg": "4.1.5",
     "react-loading-skeleton": "3.5.0",
     "react-moveable": "0.56.0",
     "react-redux": "9.1.2",