fix(ux): show loading bolt while seed is generated
fix(ux): show loading bolt while seed is generated

Ensure that the loading bold graphic shows whist the seed for a new
wallet is being generated. This provides a smoother user experience
and prevents users from being able to initiate actions through the
UI when they shouldn't be able to.

LN-Zap/zap-desktop,LN-Zap/zap-desktop,LN-Zap/zap-desktop