[Frontend] Add conditions section to policy editor

Why are we doing this work

New policy type has single condition for MVS

This Issue is about adding this static condition section to newly created policy editor for pipeline execution policy type

Relevant links

Design: #452328[step2-new-plolicy-editor.png]

Non-functional requirements

• Documentation:
• Feature flag: pipeline_execution_policy_type
• Performance:
• Testing: unit tests

Implementation plan

1. Add folder rule in new folder created after #454281 (closed)
2. Add new condition section for policy_editor.vue
3. Update static content of conditions section according to design

Verification steps