Fix 6 Maintainability issues in multiple files

[armand1m]

CodeFactor found multiple issues:

Trailing whitespace

src\packages\listen-window-errors\index.ts:21
src\packages\write-to-store\index.ts:10
src\components\WidgetIcon\index.tsx:16
src\packages\render-widget\index.tsx:1
src\interfaces\WidgetProps.ts:5
src\packages\map-html-element-to-element-data\index.ts:4