fix(Core/Spells): Fix typo in tangent() function causing incorrect negative value clamping (azerothcore#23900)

Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
Co-authored-by: FrancescoBorzi <75517+FrancescoBorzi@users.noreply.github.com>
Co-authored-by: sudlud <sudlud@users.noreply.github.com>

Author: 3 people

src/server/game/Spells/Spell.cpp

@@ -1862,7 +1862,7 @@ float tangent(float x)
     //if (x <= -std::numeric_limits<float>::max()) return -std::numeric_limits<float>::max();
     if (x < 100000.0f && x > -100000.0f) return x;
     if (x >= 100000.0f) return 100000.0f;
-    if (x <= 100000.0f) return -100000.0f;
+    if (x <= -100000.0f) return -100000.0f;
     return 0.0f;
 }