This commit adds the support for defer block in the Angular DevTools.
@defer block are now visible in the directive tree and give access to defer & hydration details.
This feature also brings support of incrementation hydration.
PR Close#60629
Extract all colors from the stylesheets, reduce their number by merging the similar ones and organize them into themes represented by CSS variables.
PR Close#60374
- 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
