20c9e035543892e322c7134e89eb33115678bb30 gui: Call setWalletActionsEnabled(true) only for the first wallet (Hennadii Stepanov)
Pull request description:
On master (a78742830aa35bf57bcb0a4730977a1e5a1876bc) there is a bug:
- open an encrypted wallet; please note that the "Encrypt Wallet..." menu item is disabled that is expected:

- then open any other wallet; note that the "Encrypt Wallet..." menu item gets enabled that is wrong:

This PR fixes this bug.
ACKs for top commit:
jonasschnelli:
Tested ACK 20c9e035543892e322c7134e89eb33115678bb30 - I could reproduce the issue on master and have verify that this PR fixes it.
achow101:
ACK 20c9e035543892e322c7134e89eb33115678bb30
Tree-SHA512: 2c9ab94bde8c4f413b0a95c05bf3a1a29f5910e0f99d6639a11dd77758c78af25b060b3fecd78117066ef15b113feb79870bc1347cc04289da915c00623e5787