[SearchProfiler] SearchProfiler to NP (elastic#48795)

* Added the following components:

- highlight details (with render test)
- searchprofiler tabs
- (wip) profile tree
- (wip) shard details

* First iteration of ProfileTree component (needs render test)

* Remove space

* ProfileTree render test

* Add profile tree test to git index

* First iteration of editor component with render test

* First iteration of nearly functional public

* Fix highlight_details_flyout render test

* Move NP directory to public and fix import issue created by directly importing FormattedMessage

* Rendering and looking more normal

* Fix type issues and fix a11y for ace editor

* Added ability to do profile requests again and render into UI (styling WiP)

* Fix props in editor test

* Added empty tree placeholder component (with test), moved styling around into individual files (wip)

* Fix path

* Lots of style updates and added util for determining visible children (+test)

* Re-add missing badge and make it slightly wider (otherwise 100.00% cuts off to 100.0...)

* Delete legacy public!

* SCSS refactor + fix for re-rendering editor

* UI and server updates after license checks

* [skip ci] Add server np_ready code

* fix i18n

* Re-enable error annotations

* Minor UX improvements (focus editor after failed request and no tabindex for textarea without active license)
Added some spaces to make code more readable

* Removed xpackMain from ServerShim
Updated use of notifications -> notifications.toasts from np core setup
Removed TODO for using core.application.register (not available for legacy apps)

* Added placeholder component for loading state and implemented useReducer

* Refactor actions

* Changes after PR feedback:
- TS for unsafe utils test fixtures
- Safer use of .selfTime (no more NaN)
- Sentence case where applicable
- Cleaned up TODOs
- Fix styling issue with percentage on badges of profile tree
- Refactor name of profile hook (now useRequestProfile)
- Fixed copy paste issue in highlight flyout `Total time` -> `Self time`
- Restyled the profile button to be fill and not take up the full horizontal space
- Removed the `Type` input from the profiler query section

* Removed .type from backend and cleanup translations

* Disable responsive UI layout for now

* Remove buggy error annotation code

* - Refactored percentage badge to own component
- Updated styles after testing on IE11
- Updated styles after testing on Safari
- Chrome and FF worked on this commit

* Update missing i18n and fix use ace ui keyboard hook

* Update useEffect dependencies array for editor component

* Use absolute path to dev tools app (to fix CI)

* Remove file extensions

* Re-add missing data-test-subj

x-pack/legacy/plugins/searchprofiler/index.ts

@@ -0,0 +1,65 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+
+import { resolve } from 'path';
+import Boom from 'boom';
+
+import { CoreSetup } from 'src/core/server';
+import { Server } from 'src/legacy/server/kbn_server';
+import { LegacySetup } from './server/np_ready/types';
+import { plugin } from './server/np_ready';
+
+export const searchprofiler = (kibana: any) => {
+  const publicSrc = resolve(__dirname, 'public');
+
+  return new kibana.Plugin({
+    require: ['elasticsearch', 'xpack_main'],
+    id: 'searchprofiler',
+    configPrefix: 'xpack.searchprofiler',
+    publicDir: publicSrc,
+
+    uiExports: {
+      // NP Ready
+      devTools: [`${publicSrc}/legacy`],
+      styleSheetPaths: `${publicSrc}/np_ready/application/index.scss`,
+      // Legacy
+      hacks: ['plugins/searchprofiler/register'],
+      home: ['plugins/searchprofiler/register_feature'],
+    },
+    init(server: Server) {
+      const serverPlugin = plugin();
+      const thisPlugin = this;
+
+      const commonRouteConfig = {
+        pre: [
+          function forbidApiAccess() {
+            const licenseCheckResults = server.plugins.xpack_main.info
+              .feature(thisPlugin.id)
+              .getLicenseCheckResults();
+            if (licenseCheckResults.showAppLink && licenseCheckResults.enableAppLink) {
+              return null;
+            } else {
+              throw Boom.forbidden(licenseCheckResults.message);
+            }
+          },
+        ],
+      };
+
+      const legacySetup: LegacySetup = {
+        route: (args: Parameters<typeof server.route>[0]) => server.route(args),
+        plugins: {
+          __LEGACY: {
+            thisPlugin,
+            xpackMain: server.plugins.xpack_main,
+            elasticsearch: server.plugins.elasticsearch,
+            commonRouteConfig,
+          },
+        },
+      };
+      serverPlugin.setup({} as CoreSetup, legacySetup);
+    },
+  });
+};