Strip channel name for /streamlink (#3215)

Co-authored-by: pajlada <rasmus.karlsson@pajlada.com>

CHANGELOG.md

@@ -14,6 +14,7 @@
 - Minor: Added regex option to Nicknames. (#3146)
 - Minor: Added `/raw` command. (#3189)
 - Minor: Colorizing usernames on IRC, originally made for Mm2PL/dankerino (#3206)
+- Minor: Fixed `/streamlink` command not stripping leading @'s or #'s (#3215)
 - Minor: Strip leading @ and trailing , from username in `/popout` command. (#3217)
 - Bugfix: Fixed colored usernames sometimes not working. (#3170)
 - Bugfix: Restored ability to send duplicate `/me` messages. (#3166)

src/controllers/commands/CommandController.cpp

@@ -631,6 +631,7 @@ void CommandController::initialize(Settings &, Paths &paths)
                 return "";
             }
 
+            stripChannelName(target);
             channel->addMessage(makeSystemMessage(
                 QString("Opening %1 in streamlink...").arg(target)));
             openStreamlinkForChannel(target);