Accepting proposal button doesn't get disabled while transaction is processed

[madvas]

Accepting went okay, just while the tx is processed it doesn't show any indication of processing, might leave user confused what's happening.

TODO:

• [x] Accept proposal button
• [x] Same goes for raising dispute
• [x] Same goes for resolving dispute
• [x] Same goes for creating invoice page
• [x] Same goes for setting arbitrer quote
• [x] Same goes for accepting arbitrer for a job

[madvas]

Same goes for creating invoice page.

[madvas]

Same goes for setting arbitrer quote

[madvas]

Same goes for accepting arbitrer for a job

[madvas]

Same goes for raising dispute

[madvas]

Same goes for resolving dispute