Values from the mantid matrix are copied at the display precision, not the full precision

[Nick Draper]

If I select some cells/rows/columns in a Workspace2D window, and right click->Copy, and then Paste into Notepad, Excel or wherever, the values are rounded to 6 significant figures!

However, if I right click and "Copy Bin to Table" or "Copy Spectrum to Table", the values in the table have the full double precision (~15 digits) expected. I can then copy those numbers out of the Mantid/QTI table into Excel and the precision is preserved.

Copying the full precision should be the default everywhere.

Highlighted by James Lord

[Nick Draper]

re #10211 copy out of mantid matrix with 15sf precision if required

Changeset: 095adc5dfa535c6b12800c7f9d7914dbb69e9039

[Nick Draper]

To test:

1. Load some data, show the mantid matrix
2. copy one or more cells, and drop into a text file or excel
3. The values should copy ok
4. Try that again with high precision values, Use the Scale algorithm to add 0.123456789 to all values for this.
5. The Matrix display only shows a set precision, but up to 15 sf of precision should be copied out via the clipboard

[Dan Nixon]

Merge remote-tracking branch 'origin/feature/10211_Copy-paste_precision'

Full changeset: ​7b821df30979dda044d424c8188253b9c79fdb39

[Stuart Campbell]

This ticket has been transferred to github issue ​11053