Apply servers chat trimming client side before processing

We now process chat commands before sending them
So to keep the old formatting we also apply the servers trimming.

This fixes the chat message "!war foo " declaring war to the player "foo "
instead of the player "foo"

See #166 (comment)

src/game/client/components/chillerbot/chillerbotux.cpp

@@ -135,10 +135,38 @@ void CChillerBotUX::OnRender()
 
 bool CChillerBotUX::OnSendChat(int Team, const char *pLine)
 {
-	ReturnFromAfk(pLine);
+	char aTrimmedLine[512];
+	str_copy(aTrimmedLine, pLine);
+
+	int Length = 0;
+	char *p = aTrimmedLine;
+	char *pEnd = nullptr;
+	while(*p)
+	{
+		char *pStrOld = p;
+		int Code = str_utf8_decode((const char **)(&p));
+
+		// check if unicode is not empty
+		if(!str_utf8_isspace(Code))
+		{
+			pEnd = nullptr;
+		}
+		else if(pEnd == 0)
+			pEnd = pStrOld;
+
+		if(++Length >= 256)
+		{
+			*p = '\0';
+			break;
+		}
+	}
+	if(pEnd != nullptr)
+		*pEnd = '\0';
+
+	ReturnFromAfk(aTrimmedLine);
 
 	int ClientId = m_pClient->m_aLocalIds[g_Config.m_ClDummy];
-	if(m_pClient->m_ChatCommand.OnChatMsg(ClientId, Team, pLine))
+	if(m_pClient->m_ChatCommand.OnChatMsg(ClientId, Team, aTrimmedLine))
 	{
 		if(g_Config.m_ClSilentChatCommands)
 			return false;