fix timescale prometheus charts overlapping

What does this MR do?

Fixes the timescales for the X axis overlapping when the data timeframe was too short, causing the X axis to have a bunch of ticks on top of each other

Screenshots (if relevant)

Before	After

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Tests added for this feature/bug
• Review
  • Has been reviewed by Frontend
• Conform by the merge request performance guides
• Conform by the style guides
• Squashed related commits together

What are the relevant issue numbers?

closes #43458 (closed)