Pathfinder progress bar inaccurate final state

[fonnesbeck]

When running pathfinder, the progress bar the final update appears to be receiving incorrect information. For example, the following run:

ends with the following state:

Notice that the time is inaccurate and it ends at 97% instead of 100%.

It also occurs for single-path pathfinder:

pymc : 5.20.1
pytensor : 2.27.1
pymc_extras: 0.2.3