Add wgpu_pass method to TrackedRenderPass (#10722)

# Objective

- Fixes  #10707 

## Solution

- Add a method to obtain `RenderPass` to `TrackedRenderPass` simillar to
`RenderDevice::wgpu_device`

---

## Changelog

Added `wgpu_pass` method to `TrackedRenderPass`

crates/bevy_render/src/render_phase/draw_state.rs

@@ -121,6 +121,11 @@ impl<'a> TrackedRenderPass<'a> {
         }
     }
 
+    /// Returns the wgpu [`RenderPass`].
+    pub fn wgpu_pass(&mut self) -> &mut RenderPass<'a> {
+        &mut self.pass
+    }
+
     /// Sets the active [`RenderPipeline`].
     ///
     /// Subsequent draw calls will exhibit the behavior defined by the `pipeline`.