Add logarithmic x axis support

[colinl]

Description

Add the ability to show the x axis (and the y axis?) using a log scale so that charts such as this can be drawn

The position of the x axis is not important, just the log scale.

Have you provided an initial effort estimate for this issue?

I am no FlowFuse team member

[ctanno]

Second this for the Y-Axis

Here is an example which i did in Grafana:

[colinl]

Log scales can be configured in dashboard v1.30.0 by setting the appropriate chart options using msg.ui_control.chartOptions.