Bug preventing Mantid from processing algorithms from some indirect/inelastic interfaces

[adriazalvarez]

Description of work

Recently algortihms validators stopped checking against long type, #37196
Some classes that use properties of type IntArrayProperty but were declared as std::vector<long> from cpp were not able to run the algorithms, we have detected that it affected:

• Symmetrise interface
• ISIS Diagnostic
• Isis Diffraction Reduction
• Isis Energy Transfer

Summary of work

There is no associated issue.

Further detail of work

To test:

• Check that the affected interfaces can execute the algorithm without an error message raising.

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[robertapplin]

Thanks for fixing this so quickly, and spotting it in the first place! I just had one small suggestion

[robertapplin]

Tested Indirect Data reduction, diffraction reduction, symmetrise and ISIS diagnostics - all of the working as expected. Code looks good, thanks for the fix