config: allow disabling the primary selection

jay-config/src/_private/client.rs

@@ -983,6 +983,10 @@ impl ConfigClient {
         show
     }
 
+    pub fn set_middle_click_paste_enabled(&self, enabled: bool) {
+        self.send(&ClientMessage::SetMiddleClickPasteEnabled { enabled });
+    }
+
     pub fn set_show_float_pin_icon(&self, show: bool) {
         self.send(&ClientMessage::SetShowFloatPinIcon { show });
     }

jay-config/src/_private/ipc.rs

@@ -744,6 +744,9 @@ pub enum ClientMessage<'a> {
     SeatFocusTiles {
         seat: Seat,
     },
+    SetMiddleClickPasteEnabled {
+        enabled: bool,
+    },
 }
 
 #[derive(Serialize, Deserialize, Debug)]