Icons: use plain SVG files, load on-demand (#32387)

package.json

@@ -154,12 +154,14 @@
     "expose-loader": "0.7.5",
     "file-loader": "5.0.2",
     "fork-ts-checker-webpack-plugin": "6.1.1",
+    "fs-extra": "9.1.0",
     "gaze": "1.1.3",
     "glob": "7.1.6",
     "html-loader": "0.5.5",
     "html-webpack-harddisk-plugin": "1.0.1",
     "html-webpack-plugin": "3.2.0",
     "husky": "4.2.1",
+    "iconscout-unicons-tarball": "https://github.com/grafana/icons/tarball/14e6856f7ce5a44d3e722b40c225482663cbfd66",
     "jest": "26.6.3",
     "jest-canvas-mock": "2.3.0",
     "jest-date-mock": "1.0.8",
@@ -178,6 +180,7 @@
     "postcss-loader": "3.0.0",
     "postcss-reporter": "6.0.1",
     "prettier": "2.2.1",
+    "raw-loader": "4.0.2",
     "react-hot-loader": "4.8.0",
     "react-select-event": "^5.1.0",
     "react-test-renderer": "16.12.0",
@@ -209,6 +212,7 @@
     "@emotion/react": "11.1.5",
     "@grafana/aws-sdk": "0.0.3",
     "@grafana/slate-react": "0.22.9-grafana",
+    "@leeoniya/react-inlinesvg": "2.2.4",
     "@popperjs/core": "2.5.4",
     "@reduxjs/toolkit": "1.5.0",
     "@sentry/browser": "5.25.0",