* UI customizations: new features
Fixes#2905
* colors for graphs
* introduce env variable
* colors for topbar, stats, selected state and tabs
* fix build
* fix validator
* refactor link.primary.hover color token
* refactor selected colors
* update styles for switch and fix some color tokens
* change color for selectable controls
* icon color tokens refactoring
* UI customizations: new features
Fixes#2905
* test for common components
* tweaks
* migrate from color-mode-hex cookie to color-theme cookie
* clean up
* update screenshots
* more screenshot updates
* update default color of chart line
* update envs for mega eth
* update styles of tx details
* common color for text separator
* remove bold fontWeight from some details items
* address, block, token, pool, user ops details pages
* refactor chain-specific views
* unify grid column template for detailed views
* remove TODO
* update margins for text separator
* update screenshots
* update margin between icon and text for mobile
* rename prop
* update layout of decoded input data
* update screenshots
* fix tac operation and zilliqa quorum snippets
* add support for array of implementations
* refactor ContainerWithScrollY component
* contract source code: allow to choose between all implementations
* fix layout of AddressNetWorth component
* add scroll container to implementation address on write/read proxy contract tab
* update screenshots
