Graph date fix

[shalini-bhandari]

Problem

https://tickets.metabrainz.org/browse/BB-551

Solution

In user activity graph of editor Monkey, after the current month revisions the graph was showing revisions of year 2015 and 2016 i.e., dates in graph starts from the day of joining but because there were some revisions that were of before the joining date hence dates in graph were not sorted
To make sure the dates are in correct order I changed the start condition of the graph.
condition is: if the joining date of the editor is greater than the first revision then graph will start from date of first revision otherwise it will start from the joining date.

Areas of Impact

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[MonkeyDo]

I see !
This shouldn't ever happen (having revisions before creating an account), but I must havve made some manual modifications to the database that led to this edge-case.

Thanks a lot for fixing this, and for unearthing a more problematic issue !