Update asset fetch utility script compatible with latest git version

[NadeemYaseen]

Motivate of the pull request

• [ x] To address an existing issue. If so, please add GH or Jira ID here: EDA-3193
• Breaking new feature. If so, please describe details in the description part.

Which submodule does this change impact ?

Added a git command to make sure we have fetched asset folder content.

• Backend
• FOEDAG_rs
• IP_Catalog
• Raptor_Tools
• yosys_verific_rs
• zephyr-rapidsi-dev
• Github CI

What does this pull request change?

Verified that the following tests passed locally before PR was created.

• make tests/batch_all
• RunGJC.tcl

Impact of the pull request

• [ x] Require a change on Quality of Results (QoR)
• Break back-compatibility. If so, please list who may be influenced.