refactor(frontend): frontend-embed/src/to-be-sharedを共通化 (#14536)

* refactor(frontend): shouldCollapsedを共通化

* refactor(frontend): config.js, worker-multi-dispatch.js, intl-const.jsを共通化

* fix(frontend-shared): fix type error

* refactor(frontend): is-link.jsと、同一の振る舞いをする記述を共通化

* fix

* fix lint

* lint fixes

packages/frontend-shared/tsconfig.json

@@ -16,7 +16,13 @@
 		"experimentalDecorators": true,
 		"noImplicitReturns": true,
 		"esModuleInterop": true,
+		"baseUrl": ".",
+		"paths": {
+			"@/*": ["./*"],
+			"@@/*": ["./*"]
+		},
 		"typeRoots": [
+			"./@types",
 			"./node_modules/@types"
 		],
 		"lib": [
@@ -25,6 +31,7 @@
 		]
 	},
 	"include": [
+		"@types/**/*.ts",
 		"js/**/*"
 	],
 	"exclude": [