[BEAM-13723] [Playground] Change graph file to string

• Type: Bug
• Status: Resolved
• Priority: P3
• Resolution: Not A Problem
• Component/s: beam-playground
• Labels: beam-playground-backend beam-playground-sprint-8
• Assignee: Aydar Zaynutdinov
• Reporter: Aydar Zaynutdinov
• Created: 24/Jan/22 08:57
• Updated: 24/Jan/22 09:04
• Resolved: 24/Jan/22 09:04

Description

Now the graph is kept in the cache as a file and also sent to the client as a file. Need to change it to string.