HotFix: Bug in HydroRes definition

[filippopecci]

Description

This PR corrects bug that was not passing discharge and inflow efficiencies to HydroRes asset.

Type of change

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation (e.g., docstrings for new functions, updated/new .md files in the docs folder)
• My changes generate no new warnings
• I have tested the code to ensure it works as expected
• New and existing unit tests pass locally with my changes:

julia> using Pkg
julia> Pkg.test("MacroEnergy")

• I consent to the use of the MacroEnergy.jl license for my contributions.

[RuaridhMacd]

Thanks Filippo. This correction looks good to me.