Pleas for peace and sporadic pro-Palestinian demonstrations were on display in Doha on Sunday as the team’s opening match of the Asian Cup against Iran fell on the 100th day of the war in Gaza. The 27,619 fans inside the Education City Stadium paused for a moment’s silence for the victims of the conflict, with a solitary shout of “Free Palestine” from one fan cutting through the quiet. Supporters draped in keffiyeh scarves and the red, white, green and black Palestinian national flag clasped shoulders during their national anthem. Outside the stadium, a mostly festive atmosphere among fans bel…