Editor: ParamVector has wrong default value in the material editor

[eprikazchikov]

Description

ParamVector has wrong default value in the material editor

Steps to Reproduce

1. Open Material Editor
2. Create a new ParamVector
3. Check Default Value

Expected behavior:

3. Default Value should have 4 for input

Actual behavior:

3. Check screen

Reproducibility:

100%

Versions

2025.3

Additional Information