Core/Players: Implemented rune regen scaling with haste.

Closes #7413.

src/server/game/Entities/Unit/StatSystem.cpp

@@ -789,6 +789,21 @@ void Player::UpdateRuneRegen(RuneType rune)
     SetFloatValue(PLAYER_RUNE_REGEN_1 + uint8(rune), regen);
 }
 
+void Player::UpdateAllRunesRegen()
+{
+    uint32 cooldown = 0;
+
+    for (uint8 i = 0; i < MAX_RUNES; ++i)
+    {
+        cooldown = GetRuneBaseCooldown(i);
+        if (cooldown)
+        {
+            float regen = float(1 * IN_MILLISECONDS) / float(cooldown);
+            SetFloatValue(PLAYER_RUNE_REGEN_1 + i, regen);
+        }
+    }
+}
+
 void Player::_ApplyAllStatBonuses()
 {
     SetCanModifyStats(false);