Fix OSI option ticker parsing for symbols containing dots (e.g. BRK.B)#9343

Martin-Molinero merged 2 commits intoQuantConnect:masterQuantConnect/Lean:masterfrom

AlexCatarino:bug-9341-parse-option-ticker-osi-brk-bAlexCatarino/Lean:bug-9341-parse-option-ticker-osi-brk-bCopy head branch name to clipboard