[regression] Screenshot to clipboard: Cannot `CaptureImage` without a view or layout
## Description
On ParaView 6.0.1/6.1.0, when capturing a screenshot to clipboard with a modifier key + screenshot button I get the following error:
```
ERROR: In vtkSMSaveScreenshotProxy.cxx, line 832
vtkSMSaveScreenshotProxy (0000020D5F782F40): Cannot `CaptureImage` without a view or layout.
ERROR: In vtkSMSaveScreenshotProxy.cxx, line 659
vtkSMSaveScreenshotProxy (0000020D5F782F40): Failed to prepare to capture image.
```
## Configuration
<!-- Operating system, standalone client, client/server, pvpython, pvbatch -->
**Operating system and version:**
* Windows 10
**ParaView executable and version:** <!-- GUI client, pvpython, pvbatch, etc. -->
* Version: 6.1.0
* VTK Version: 9.6.1
* Qt Version: 6.9.0
* vtkIdType size: 64bits
* MPI Enabled: Off
* ParaView Build ID: superbuild af9bb3207d40b64f97c64a9c319d483ff3b17d03 (!1332)
* Disable Registry: Off
* SMP Backend: TBB
* SMP Max Number of Threads: 24
* OpenGL Vendor: NVIDIA Corporation
* OpenGL Version: 3.2.0 NVIDIA 591.44
* OpenGL Renderer: NVIDIA GeForce RTX 5050/PCIe/SSE2
* Accelerated filters overrides available: No
**Additional information:** <!-- standalone client, remote server, Catalyst, etc. -->
* This bug does not exist on ParaView 5.13.2 and older on the same workstation
* This bug does not exist on the exact same ParaView version (6.1.0) installed on Windows 11
issue