fix: LEAP-921: Fix the way of updating users in store

[Gondragos]

This PR deprecates using of mergeUsers and adding enrichUsers instead.

PR fulfills these requirements

• [x] Commit message(s) and PR title follows the format [fix|feat|ci|chore|doc]: TICKET-ID: Short description of change made ex. fix: DEV-XXXX: Removed inconsistent code usage causing intermittent errors
• [ ] Tests for the changes have been added/updated (for bug fixes/features)
• [ ] Docs have been added/updated (for bug fixes/features)
• [x] Best efforts were made to ensure docs/code are concise and coherent (checked for spelling/grammatical errors, commented out code, debug logs etc.)
• [x] Self-reviewed and ran all changes on a local instance (for bug fixes/features)

Change has impacts in these area(s)

• [ ] Product design
• [ ] Backend (Database)
• [ ] Backend (API)
• [x] Frontend

Describe the reason for change

This was done, 'cause mergeUsers didn't update existing users and could lose some changes that should be applied. This is actual when we already have list of users that includes email and names and then we try to add more information or some new version of it, like an added avatar field.

Does this PR introduce a breaking change?

• [ ] Yes, and covered entirely by feature flag(s)
• [ ] Yes, and covered partially by feature flag(s)
• [x] No
• [ ] Not sure (briefly explain the situation below)

What level of testing was included in the change?

• [ ] e2e
• [ ] integration
• [ ] unit

Which logical domain(s) does this change affect?

Comments, Users

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[Gondragos]

/git merge develop

Workflow run Successfully merged: 1 file changed, 1 insertion(+), 1 deletion(-)

[Gondragos]

/git merge develop

Workflow run Successfully merged: 1132 files changed, 60025 insertions(+), 61739 deletions(-)

[Gondragos]

/git merge develop

Workflow run Successfully merged: 31 files changed, 2806 insertions(+), 266 deletions(-)