Smaller UI issues

- [x] add Cancel button to install app dialog and move advanced button
- [ ] add retry button to download app error dialog
- [ ] open up app after installation
- [ ] move to Publish section after devhub installed
- [x] move Uninstall button for apps to a place that makes more sense (https://github.com/holochain/launcher/pull/217)
- [x] option to display network seed in app details (https://github.com/holochain/launcher/pull/217)
- [x] distinguish between different cell types in app details (provisioned, cloned) https://github.com/holochain/launcher/pull/217
- [x] show toast when app is installed
- [x] add more granular real feedback in the install button as to what's happening under the hood (https://github.com/holochain/launcher/pull/212)
- [x] copy button not working for pubkey after key import from json file (should be fixed by [a0bef37](https://github.com/holochain/launcher/commit/a0bef378040dcf271b931ffbde06712c6c749159))
- [x] check duplicate app names before allowing to install app
- [x] prettier enable/disable button
- [x] install from device card should just be a button itself
- [x] add hover effect to installable apps
- [x] open Settings window on same screen as main window (https://github.com/holochain/launcher/pull/201)
- [x] make wrong password error a toast instead of a modal (https://github.com/holochain/launcher/pull/200)