Change color of public room icon (#30390)

* feat: change color of public room icon

* test: update room avatar snapshot

* test(e2E): update screenshots

src/components/views/avatars/RoomAvatarView.tsx

@@ -135,7 +135,7 @@ function getAvatarDecoration(decoration: AvatarBadgeDecoration, presence: Presen
                 width="16px"
                 height="16px"
                 className="mx_RoomAvatarView_icon"
-                color="var(--cpd-color-icon-tertiary)"
+                color="var(--cpd-color-icon-info-primary)"
                 aria-label={_t("room|header|room_is_public")}
             />
         );

src/components/views/rooms/RoomHeader/RoomHeader.tsx

@@ -286,7 +286,8 @@ export default function RoomHeader({
                                         <PublicIcon
                                             width="16px"
                                             height="16px"
-                                            className="mx_RoomHeader_icon text-secondary"
+                                            className="mx_RoomHeader_icon"
+                                            color="var(--cpd-color-icon-info-primary)"
                                             aria-label={_t("common|public_room")}
                                         />
                                     </Tooltip>