Bugfix/arsn 223 fix wgm default import

[williamlardier]

Fixes the following error in CloudServer:

{
   "name":"S3",
   "time":1654847139646,
   "error":"WGM is not a constructor",
   "stack":"TypeError: WGM is not a constructor\n    at MetadataFileServer.initMetadataService (/usr/src/app/node_modules/arsenal/build/lib/storage/metadata/file/MetadataFileServer.js:206:21)\n    at MetadataFileServer.startServer (/usr/src/app/node_modules/arsenal/build/lib/storage/metadata/file/MetadataFileServer.js:117:14)\n    at Object.<anonymous> (/usr/src/app/mdserver.js:28:14)\n    at Module._compile (node:internal/modules/cjs/loader:1101:14)\n    at Object.Module._extensions..js (node:internal/modules/cjs/loader:1153:10)\n    at Module.load (node:internal/modules/cjs/loader:981:32)\n    at Function.Module._load (node:internal/modules/cjs/loader:822:12)\n    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)\n    at node:internal/main/run_main_module:17:47",
   "level":"fatal",
   "message":"caught error",
   "hostname":"kw035-prod-cloudserver-backend-0-17604-8133",
   "pid":112
}

[bert-e]

Hello williamlardier,

My role is to assist you with the merge of this
pull request. Please type @bert-e help to get information
on this process, or consult the user documentation.

Status report is not available.

[bert-e]

Incorrect fix version

The Fix Version/s in issue ARSN-223 contains:

• None

Considering where you are trying to merge, I ignored possible hotfix versions and I expected to find:

• 8.1.53

Please check the Fix Version/s of ARSN-223, or the target
branch of this pull request.

[codecov-commenter]

Codecov Report

Merging #1929 (547eb7d) into development/8.1 (0e2071e) will not change coverage.
The diff coverage is 100.00%.

@@               Coverage Diff                @@
##           development/8.1    #1929   +/-   ##
================================================
  Coverage            63.63%   63.63%           
================================================
  Files                  205      205           
  Lines                15447    15447           
  Branches              3094     3094           
================================================
  Hits                  9829     9829           
  Misses                5602     5602           
  Partials                16       16           

Impacted Files	Coverage Δ
lib/storage/metadata/file/MetadataFileServer.js	14.09% <100.00%> (ø)

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[bert-e]

Waiting for approval

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

• the author

• 2 peers

[francoisferrand]

as discussed, please target 7.x branch to fix the issue everywhere...

[bert-e]

Integration data created

I have created the integration data for the additional destination branches.

• this pull request will merge bugfix/ARSN-223-fix-wgm-default-import into
  development/7.10
• w/8.1/bugfix/ARSN-223-fix-wgm-default-import will be merged into development/8.1 (pull request INTEGRATION [PR#1929 > development/8.1] Bugfix/arsn 223 fix wgm default import #1930)

The following branches will NOT be impacted:

• development/6.4
• development/7.4

Follow integration pull requests if you would like to be notified of
build statuses by email.

[bert-e]

Waiting for approval

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

• the author

• 2 peers

[williamlardier]

/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/7.10

• ✔️ development/8.1

The following branches will NOT be impacted:

• development/6.4
• development/7.4

There is no action required on your side. You will be notified here once
the changeset has been merged. In the unlikely event that the changeset
fails permanently on the queue, a member of the admin team will
contact you to help resolve the matter.

IMPORTANT

Please do not attempt to modify this pull request.

• Any commit you add on the source branch will trigger a new cycle after the
  current queue is merged.
• Any commit you add on one of the integration branches will be lost.

If you need this pull request to be removed from the queue, please contact a
member of the admin team now.

The following options are set: approve

[bert-e]

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

• ✔️ development/7.10

• ✔️ development/8.1

The following branches have NOT changed:

• development/6.4
• development/7.4

Please check the status of the associated issue ARSN-223.

Goodbye williamlardier.