Amend vbox6 runtimes / run scripts for monitor config

Issue #5449

repos/ports/recipes/pkg/vbox6-capture/runtime

@@ -37,6 +37,7 @@
 		<libc stdout="/dev/log" stderr="/dev/log" rtc="/dev/rtc" pipe="/pipe">
 			<pthread placement="single-cpu"/>
 		</libc>
+		<monitor label="VBOX-1"/>
 		<webcam vertical_flip="true" fps="30" screen_size="false" width="640" height="480"/>
 		<arg value="virtualbox"/>
 		<env key="VBOX_USER_HOME" value="/"/>

repos/ports/recipes/pkg/vbox6/runtime

@@ -36,6 +36,7 @@
 		<libc stdout="/dev/log" stderr="/dev/log" rtc="/dev/rtc" pipe="/pipe">
 			<pthread placement="single-cpu"/>
 		</libc>
+		<monitor label="VBOX-1"/>
 		<arg value="virtualbox"/>
 		<env key="VBOX_USER_HOME" value="/"/>
 		<env key="VBOX_LOG_DEST"          value="file=/dev/log"/>

repos/ports/run/vbox6_genode_usb_hid_raw.run

@@ -170,6 +170,7 @@ install_config {
 				<rom name="usb_hid_raw.iso"/>
 			</vfs>
 			<libc stdout="/dev/log" stderr="/dev/log" pipe="/pipe" rtc="/dev/rtc"/>
+			<monitor label="VBOX-1"/>
 			<arg value="virtualbox"/>
 			<env key="VBOX_USER_HOME"         value="/"/>
 			<env key="VBOX_LOG_DEST"          value="file=/dev/log"/>

repos/ports/run/virtualbox6.run

@@ -253,6 +253,7 @@ append_if [expr $use_overlay] config {
 				</import>}
 append config {
 			</vfs>
+			<monitor label="VBOX-1"/>
 			<arg value="virtualbox"/>
 			<env key="VBOX_USER_HOME" value="/"/>
 			<env key="VBOX_LOG_DEST" value="file=/dev/log"/>