[BUG] Volumes' error message is not clear

[lanfon72]

Describe the bug

In Harvester v1.2.1 In Harvester v1.3.0

To Reproduce

Steps to reproduce the behavior:

1. Install Harvester with any nodes
2. Create an over-sized volume

Expected behavior

It would be hard to identify in a 2 nodes cluster ( default replicas: 3, so all volumes showing Replica scheduling failed), so we should display the correct error message: insufficient storage.

Environment:

• Underlying Infrastructure (e.g. Baremetal with Dell PowerEdge R630): Baremetal DL360 3 nodes
• Harvester ISO version: v1.2.1 and v1.3.0
• ui-source Option: Auto

Additional context

Discovered in automation: test_create_vm_no_available_resources of disk.

[lanfon72]

user can only check the correct state in longhorn's dashboard.