2e7513471 fixup! ui: Support wallets loaded dynamically (João Barbosa)
0e674ba55 ui: Support wallets loaded dynamically (João Barbosa)
1c8fe0bf9 ui: Remove unnecessary variable fFirstWallet (João Barbosa)
Pull request description:
Add support in the UI for wallets loaded dynamically.
Tree-SHA512: 4016d61580b31e28c49861b1cb0e77fac5417f9676a6ce6156be28cb6059fdf3d3dd4d57dbbc22a574ad428c2a4a3702aedca596a84e644ce148e1084feb29c9
Backport of Core PR13097
https://github.com/bitcoin/bitcoin/pull/13097/