fix text captcha options template and change defaults in template and migration

configs/template.js.example

@@ -36,8 +36,8 @@ module.exports = {
 		generateLimit: 250,
 		text: {
 			font: 'default',
-			wave: false,
-			line: 0,
+			line: true,
+			wave: 0,
 			paint: 2,
 			noise: 0,
 		},

migrations/0.8.0.js

@@ -8,7 +8,7 @@ module.exports = async(db, redis) => {
 		'$set': {
 			'captchaOptions.text': {
 				'font': 'default',
-				'line': false,
+				'line': true,
 				'wave': 0,
 				'paint': 2,
 				'noise': 0,
@@ -25,4 +25,4 @@ module.exports = async(db, redis) => {
 	});
 	console.log('Clearing globalsettings cache');
 	await redis.deletePattern('globalsettings');
-};
+};