Zenko-4678: fix the dashboard folder name for zenko preview release

[ChengYanJin]

What does this PR do, and why do we need it?

Which issue does this PR fix?

fixes #

Special notes for your reviewers:

[bert-e]

Hello chengyanjin,

My role is to assist you with the merge of this
pull request. Please type @bert-e help to get information
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Status report is not available.

[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

• the author

• 2 peers

[JBWatenbergScality]

LGTM !

[ChengYanJin]

/approve

[bert-e]

Waiting for approval

The following approvals are needed before I can proceed with the merge:

• the author

• 2 peers

The following options are set: approve

[bert-e]

In the queue

The changeset has received all authorizations and has been added to the
relevant queue(s). The queue(s) will be merged in the target development
branch(es) as soon as builds have passed.

The changeset will be merged in:

• ✔️ development/2.9

The following branches will NOT be impacted:

• development/2.5
• development/2.6
• development/2.7
• development/2.8

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The following options are set: approve

[bert-e]

I have successfully merged the changeset of this pull request
into targetted development branches:

• ✔️ development/2.9

The following branches have NOT changed:

• development/2.5
• development/2.6
• development/2.7
• development/2.8

Please check the status of the associated issue ZENKO-4678.

Goodbye chengyanjin.