New design issues

[kpozdnikin]

• [x] Click to Sub-optimal to update nomination

• [x] Buttons to bottom from settings

• [x] We should show user all clear information about his nomination

• [x] Show more statuses for account's balance

• [x] Show the profit

• [x] Remove update nomination modal and make update transparent

• [x] Rename "Update nomination" to "Nominate" when isNominating false.

• [x] Check the prefilled bond umount to avoid empty balance, update max value.

• [x] Notify user when his amount to bond is more that amount with transaction fees payments.

• [x] Slash warning.

[kpozdnikin]

Warning! Validator pools with larger total stake backing them will get slashed more harshly than less popular ones, so we encourage nominators to shift their nominations to less popular validators to reduce the possible losses.