Navigating to future block breaks further navigation

[yvaskov]

Description

It is possible to navigate to future block from the Block details page, which results in 404 page. It's impossible to navigate back from this with browser controls.

Steps to reproduce

1. Open latest block details page
2. Press right by the block number - results in 404
3. Press Back on the browser controls

Expected result

Previous page is displayed.

Actual result

URL has changed to the previous page, but 404 is still displayed.

Possible solution

We can forbid navigating past the latest block.

Version

v1.27.0