remove goroutines from session_store.go

Description

Having goroutines to concurrently fetch data isn't really needed at this granular level. Let's just simplify the code by making it serial.

QA Test Steps

Some testing around logging in/ signup scenarios should be sufficient.

Mana

3

Assignee

Agniva De Sarker

QA Assignee

Joseph Baylon

Reporter

Agniva De Sarker

Epic Link

None

Fix versions

Mattermost Team

Platform

Sprint

None

Labels

None

QA Testing Areas

Other (write in QA test steps)

GitHub Issue

None

Components

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