[Other] Felfalme demonology incorrect tooltip

[Grakazela]

• [Location, Faction, Race] horde, undead, warlock, Demonology spec
• [Name, Type] Fel Flame, Demonology version, spell
• [Problem Description] tool tip is reading dmg value for generated demonic fury
• [How it should work] should display the demonic fury it would generate, or the spell should generate 8244 DF (make demo great again)