remove React's FC type from codebase (#3527)

* WIP-packages: remove React's FC type from codebase

* remove FC from other directories

* fix build failures

* add types to required packages

packages/create-app/templates/default-app/packages/app/src/App.tsx

@@ -1,4 +1,4 @@
-import React, { FC } from 'react';
+import React from 'react';
 import {
   createApp,
   AlertDisplay,
@@ -32,7 +32,7 @@ const catalogRouteRef = createRouteRef({
 });
 
 
-const App: FC<{}> = () => (
+const App = () => (
   <AppProvider>
     <AlertDisplay />
     <OAuthRequestDialog />

packages/create-app/templates/default-app/packages/app/src/LogoFull.tsx

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import React, { FC } from 'react';
+import React from 'react';
 import { makeStyles } from '@material-ui/core';
 
 const useStyles = makeStyles({
@@ -26,7 +26,7 @@ const useStyles = makeStyles({
     fill: '#7df3e1',
   },
 });
-const LogoFull: FC<{}> = () => {
+const LogoFull = () => {
   const classes = useStyles();
 
   return (

packages/create-app/templates/default-app/packages/app/src/LogoIcon.tsx

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-import React, { FC } from 'react';
+import React from 'react';
 import { makeStyles } from '@material-ui/core';
 
 const useStyles = makeStyles({
@@ -27,7 +27,7 @@ const useStyles = makeStyles({
   },
 });
 
-const LogoIcon: FC<{}> = () => {
+const LogoIcon = () => {
   const classes = useStyles();
 
   return (

packages/create-app/templates/default-app/packages/app/src/sidebar.tsx

@@ -1,4 +1,4 @@
-import React, { FC, useContext } from 'react';
+import React, { useContext } from 'react';
 import HomeIcon from '@material-ui/icons/Home';
 import LibraryBooks from '@material-ui/icons/LibraryBooks';
 import ExtensionIcon from '@material-ui/icons/Extension';
@@ -57,7 +57,7 @@ const useSidebarLogoStyles = makeStyles({
   },
 });
 
-const SidebarLogo: FC<{}> = () => {
+const SidebarLogo = () => {
   const classes = useSidebarLogoStyles();
   const { isOpen } = useContext(SidebarContext);