Add texture pool to render cache node (#3804)

* Add texture pool to render cache node

* Use direct texture copy instead of bitter and fix graphene_cli

* Remove warnings

* Fix wgpu import path

* Code review fixes

desktop/wrapper/src/lib.rs

@@ -58,7 +58,7 @@ impl DesktopWrapper {
 }
 
 pub enum NodeGraphExecutionResult {
-	HasRun(Option<wgpu::Texture>),
+	HasRun(Option<std::sync::Arc<wgpu::Texture>>),
 	NotRun,
 }