1525 wrong description of the incidence angle

[Jun-Jiang-92]

Changes in this PR:

• Renaming solar radiation from I to H according to new naming space rules, including I_dir to HDir, I_diff to HDif, I_gr to HGrd
• Renaming solar incidence angle from AOI to incAng

One exception is the model AixLib/ThermalZones/HighOrder/Components/WindowsDoors/BaseClasses/CorrectionSolarGain/CorG_ASHRAE140.mo, in which internal variables AOI and AOI_help remain unchanged, to keep these internal vars similar to other vars, such as AOR (angle of refraction).

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[TobiasSpratte]

Nice work, thank you!

[Jun-Jiang-92]

@TobiasSpratte Hi, Tobi. Thanks for your review. I have updated the block Sunblind.mo. Now, the CI is already passed. Could you please review the code again and approve the change if everything is OK?

[TobiasSpratte]

Looks nice, thank you!

[Jun-Jiang-92]

@larissakuehn Hi, Larissa. This PR seems to request a second reviewer (with write access) for the approvement. Could you please give a review for the changing?