clean code

Author: GoodDayForSurf

packages/devextreme-cli/testing/app-template.test.shared.js

@@ -173,7 +173,7 @@ module.exports = (env) => {
 
                                     await page.waitForTimeout(3000);
 
-                                    let image = await takeScreenshot();
+                                    const image = await takeScreenshot();
 
                                     compareSnapshot(image, 'profile');
 

templates-generator/react-config.js

@@ -141,11 +141,11 @@ module.exports = {
         {
             glob: 'src/App.tsx',
             definitions: [
-              'import \'devextreme/dist/css/dx.common.css\';\n',
-              'import \'./themes/generated/theme.base.css\';\n',
-              'import \'./themes/generated/theme.base.dark.css\';\n',
-              'import \'./themes/generated/theme.additional.css\';\n',
-              'import \'./themes/generated/theme.additional.dark.css\';\n',
+                'import \'devextreme/dist/css/dx.common.css\';\n',
+                'import \'./themes/generated/theme.base.css\';\n',
+                'import \'./themes/generated/theme.base.dark.css\';\n',
+                'import \'./themes/generated/theme.additional.css\';\n',
+                'import \'./themes/generated/theme.additional.dark.css\';\n',
             ]
         },
         {