Use the packaged versions of the packages instead of the local ts_project dependencies to prevent multiple versions of the deps to enter test bundles
PR Close#62413
- Move all styles to ng-devtools/src/styles.
- Create a BrowserService that detects the browsers and adds it as a class to the body. Move global browser styles.
- Create theme mixins that incorporate the browser type into them.
- Refactor some of the affected code along with the introduced changes.
PR Close#59589
