[Backport 2.x] Enable data client with sample data server side

[opensearch-trigger-bot]

Backport b337bea from #4268.

[codecov]

Codecov Report

Merging #4340 (e5d01fa) into 2.x (b00edec) will increase coverage by 0.01%.
The diff coverage is 79.56%.

@@            Coverage Diff             @@
##              2.x    #4340      +/-   ##
==========================================
+ Coverage   66.39%   66.40%   +0.01%     
==========================================
  Files        3229     3245      +16     
  Lines       62141    62400     +259     
  Branches     9627     9663      +36     
==========================================
+ Hits        41256    41435     +179     
- Misses      18561    18625      +64     
- Partials     2324     2340      +16     

Flag	Coverage Δ
Linux	66.34% <79.56%> (+0.03%)	⬆️
Windows	66.34% <79.56%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
.../services/sample_data/data_sets/ecommerce/index.ts	75.00% <66.66%> (ø)
...erver/services/sample_data/data_sets/logs/index.ts	75.00% <66.66%> (ø)
...ns/home/server/services/sample_data/routes/list.ts	59.45% <66.66%> (ø)
...home/server/services/sample_data/data_sets/util.ts	79.41% <79.41%> (ø)
...home/server/services/sample_data/routes/install.ts	67.16% <93.33%> (ø)
...gins/data_source/server/client/configure_client.ts	71.42% <100.00%> (ø)
...ta_source/server/legacy/configure_legacy_client.ts	71.15% <100.00%> (ø)
...er/services/sample_data/data_sets/flights/index.ts	100.00% <100.00%> (ø)
...me/server/services/sample_data/routes/uninstall.ts	76.19% <100.00%> (ø)

... and 11 files with indirect coverage changes