RichardWaiteSTFC

External plot from EMU Muon Analysis tab should exclude legend form tight_layout calculation

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EMU [Ionic Diffusion Test](https://developer.mantidproject.org/Testing/MuonAnalysis_test_guides/Muon_EMU.html#id2) Default window size of external plot producesvery narrow axes becuase of long entry name sin legend - the legend should probably be excused from the tight_layout...

### Description of work Remove direct calls to presenter from cut viewer view for MVP training. This is blocked by #38101(which must be merged first) Fixes #38102 ### To test:...

**Original reporter:** Pascal (WISH) **Describe the bug** At some point it was possible to plot a surface from a number of workspaces with 1 spectrum each, with one axis of...