SetSprite → SetImage, remove fifo & shell label

wlx-overlay-s/src/backend/task.rs

@@ -58,7 +58,7 @@ pub enum PlayspaceTask {
 pub enum ModifyPanelCommand {
     SetText(String),
     SetColor(String),
-    SetSprite(String),
+    SetImage(String),
     SetVisible(bool),
     SetStickyState(bool),
 }

wlx-overlay-s/src/backend/wayvr/server_ipc.rs

@@ -495,8 +495,8 @@ impl Connection {
                     packet_client::WlxModifyPanelCommand::SetText(text) => {
                         ModifyPanelCommand::SetText(text)
                     }
-                    packet_client::WlxModifyPanelCommand::SetSprite(sprite) => {
-                        ModifyPanelCommand::SetSprite(sprite)
+                    packet_client::WlxModifyPanelCommand::SetImage(sprite) => {
+                        ModifyPanelCommand::SetImage(sprite)
                     }
                     packet_client::WlxModifyPanelCommand::SetStickyState(sticky) => {
                         ModifyPanelCommand::SetStickyState(sticky)