fix(@desktop/chat): Use different check icon in chat activity center

Fix #5468

ui/app/AppLayouts/Chat/views/ActivityCenterMessageComponentView.qml

@@ -59,9 +59,9 @@ Item {
             height: 32
             icon.width: 24
             icon.height: 24
-            icon.source: Style.svg("double-check")
+            icon.source: Style.svg("check-activity")
+            icon.color: model.read ? icon.disabledColor : "transparent"
             color: "transparent"
-            //% "Mark as Read"
             tooltip.text: !model.read ?
                 qsTr("Mark as Read") :
                 qsTr("Mark as Unread")

ui/imports/assets/icons/check-activity.svg

@@ -0,0 +1,3 @@
+<svg width="20" height="14" viewBox="0 0 20 14" fill="none" xmlns="http://www.w3.org/2000/svg">
+<path fill-rule="evenodd" clip-rule="evenodd" d="M18.776 0.570551C19.1425 0.906424 19.1672 1.47573 18.8313 1.84214L8.26145 13.3729C8.09557 13.5539 7.86298 13.6592 7.61756 13.6646C7.37214 13.6699 7.13519 13.5747 6.96161 13.4012L1.19622 7.63578C0.844749 7.28431 0.844749 6.71446 1.19622 6.36299C1.54769 6.01151 2.11754 6.01151 2.46901 6.36299L7.20048 11.0945C7.40177 11.2957 7.73025 11.2886 7.92261 11.0788L17.5045 0.625838C17.8403 0.25943 18.4096 0.234678 18.776 0.570551Z" fill="#4360DF"/>
+</svg>