Fix instance level metrics being way too far to the right

[farzaank]

@teetone flagged this

"it's hard to read the instance-level numbers for some pages. We have to scroll all the way to the right to see them:"

need to see why the x-axis is so weird here

[yifanmai]

TBH I think we should just change the value column from right justify to left justify.

[farzaank]

TBH I think we should just change the value column from right justify to left justify.

This seems like a reasonable solution