Fatigue is incorrectly recalculated when fortify effect is applied or removed

In the attached savegame file, the hero is wearing two self-enchanted rings with constant effects.

First ring:

• Fortify Magicka 100 pts
• Fortify Intelligence 200 pts

The reserve of magicka should be 850/750, but after several removing and putting on this ring, it became 10114/750. And it will be even higher if you continue to remove and put on this ring further. Moreover, this can be done without even leaving the inventory menu.

Second ring:

• Fortify Fatigue 60 pts
• Fortify Strength 25 pts
• Fortify Willpower 25 pts
• Fortify Agility 25 pts
• Fortify Endurance 25 pts

Fatigue should be 320/260 instead of 260/260 if it was full at the time of putting on the ring (i.e. 160/160).

The Drain and Absorb Attribute magic effects have not been tested, however they are likely affected as well.

Morrowind language: Russian

Operating system: Trisquel GNU/Linux 8.0

Tribunal is required to load the attached savegame

Savegame: _0.46__Fortify_magicka_and_fortify_fatigue_test.omwsave