* Disable the send button when the router returns errors.
* Display a red arrow on networks lacking sufficient gas for the transaction.
Closes#15700#15701
* refactor getters for chainIds and enabledChainIds
* simplify community chainIds getter
* simplify usage of network dto objects
* remove duplicated roles from send area
* rename network model in send module to network route model
- Fix errors when switching between assets and collectibles tabs
- Fix by controlling the order of instantiation between model and
delegates not to mix models and delegates from different sources
- Fix size errors
- Various improvements
Updates: #14212