Zoekt: Newly created indices are instantly evicted

Summary

Right now we're seeing indices that being instantly evicted because of critical watermark level:

 state: "pending_eviction",
 reserved_storage_bytes: 1024,
 used_storage_bytes: 1024,
 watermark_level: "critical_watermark_exceeded",

Steps to reproduce

What is the current bug behavior?

What is the expected correct behavior?

Relevant logs and/or screenshots

Possible fixes

changed milestone to %Backlog

added groupglobal search typebug workflowsolution validation labels

added devopsfoundations sectioncore platform labels

changed milestone to %17.10

created branch 521972-zoekt-newly-created-indices-are-instantly-evicted to address this issue

mentioned in merge request !183208