[backend/frontend] Display of indicators and observables second part

[RomuDeuxfois]

This is the second part of the issue applied to the other entities : Threat Actor Individual, Intrusion Set, Campaign, Malware, Tools, Channels (only observables), Vulnerability, Attack patterns, Narratives (only observables)

Related Brainstorm

• Brainstorm

Explanation of code structure and opening on the next step

• Explanation

Proposed changes

• Remove Indicators tab from the knowledge Topbar
• Indicators are now accesible from the knowledge right bar above Observables
• Add contextual view that displays Observables/Indicators that are contained in Reports/Case/Grouping that contains the Entity
• Create reusable view component to display EntistixCorerelationships : EntitiesView / RelationshipView / ContextualView
• Add filtering on Pattern Type and Indicator type for Indicators entities view

Related issues

• Display all indicators/observables contained in reports which contain a specific entity

Checklist

• I consider the submitted work as finished
• I tested the code for its functionality
• I wrote test cases for the relevant uses case
• I added/update the relevant documentation (either on github or on notion)
• Where necessary I refactored code to improve the overall quality

Further comments

If this is a relatively large or complex change, kick off the discussion by explaining why you chose the solution you did and what alternatives you considered, etc...