Cosmetic: Multiple cosmetic changes

- Added missing space to 'if', 'for', 'while' and 'switch' when it's followed by '('
- Added missing space after a comma and remove space before comma (with some exceptions)
- Remove trailing spaces
- Convert tab to spaces

Note: Only affects files with extension "cpp" and "h" under /src/server

src/server/game/Groups/Group.cpp

@@ -1207,7 +1207,7 @@ void Group::SendUpdateToPlayer(uint64 playerGUID, MemberSlot* slot)
 
         slot = &(*witr);
     }
-    
+
     WorldPacket data(SMSG_GROUP_LIST, (1+1+1+1+1+4+8+4+4+(GetMembersCount()-1)*(13+8+1+1+1+1)+8+1+8+1+1+1+1));
     data << uint8(m_groupType);                         // group type (flags in 3.3)
     data << uint8(slot->group);