add no-unused and react/recommended to eslint (#1523)

* add no-unused-vars and no-unused-imports

* added quotes: double, and remove ignore pattern

* move itif and describeif into utils

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/extensions/__tests__/extension-loader.test.ts

@@ -8,7 +8,7 @@ jest.mock(
   "electron",
   () => ({
     ipcRenderer: {
-      invoke: jest.fn(async (channel: string, ...args: any[]) => {
+      invoke: jest.fn(async (channel: string) => {
         if (channel === "extensions:loaded") {
           return [
             [