Fix bug: Graph hover shows incorrect date position

[takaro-ci-bot]

Description

There is a bug in the graph display where hovering over the bottom right graph shows the date on the top left one instead of the correct position.

Requirements/use-cases

• When a user hovers over any part of the graph, the date should appear in the correct position corresponding to the hovered area.
• The date display should be consistent and accurate across all parts of the graph.

Possible duplicates:

• None identified