Offer plotting in QSpace in Indirect Diffraction

[sf1919]

Is your feature request related to a problem? Please describe. When using Indirect Diffraction GUI there is the option to plot a spectrum after successfully loading a run on diffspec. At the moment the plot produced is in d-space. Users would like the option to have the results in Q-Space.

Describe the solution you'd like Provide users with the ability to choose whether their plot is in d-space or Q-Space and produce the relevant plot.

Additional context Requested by Users

[stale[bot]]

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[sf1919]

@AnthonyLim23 I'll leave this one for you to decide on.

[Harrietbrown]

Offer plotting in QSpace in Indirect Diffraction