Enhance the "New Project Dialog" style, more space and shadow #16

jacob-l merged 3 commits intoOpenSilver:release/3.1.0OpenSilver/OpenSilver.VSIX:release/3.1.0from

ousspero:feat/Enhance-the-New-Dialog-Styleousspero/OpenSilver.VSIX:feat/Enhance-the-New-Dialog-StyleCopy head branch name to clipboard