Tools: Add eslint rule prefer-await-to-then

.eslintrc.js

@@ -90,6 +90,8 @@ module.exports = {
 		// Disable because of this: https://github.com/facebook/react/issues/16265
 		// "react-hooks/exhaustive-deps": "warn",
 
+		'promise/prefer-await-to-then': 'error',
+
 		// -------------------------------
 		// Formatting
 		// -------------------------------
@@ -141,6 +143,7 @@ module.exports = {
 		'@seiyab/eslint-plugin-react-hooks',
 		// 'react-hooks',
 		'import',
+		'promise',
 	],
 	'overrides': [
 		{