fix: fix override of empty docs

[JoanFM]

No description provided.

[codecov]

Codecov Report

Merging #4350 (1853b15) into master (c07f3c1) will increase coverage by 0.09%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #4350      +/-   ##
==========================================
+ Coverage   87.61%   87.71%   +0.09%     
==========================================
  Files         114      114              
  Lines        8325     8325              
==========================================
+ Hits         7294     7302       +8     
+ Misses       1031     1023       -8     

Flag	Coverage Δ
daemon	42.07% <0.00%> (+0.01%)	⬆️
jina	87.45% <100.00%> (+2.00%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
jina/orchestrate/flow/base.py	91.00% <ø> (+5.16%)	⬆️
jina/types/request/data.py	97.93% <100.00%> (ø)
jina/serve/networking.py	71.27% <0.00%> (-12.47%)	⬇️
jina/orchestrate/pods/jinad.py	93.02% <0.00%> (-0.78%)	⬇️
jina/jaml/__init__.py	94.29% <0.00%> (+0.38%)	⬆️
...a/orchestrate/deployments/config/docker_compose.py	100.00% <0.00%> (+0.56%)	⬆️
jina/orchestrate/deployments/config/k8s.py	100.00% <0.00%> (+0.61%)	⬆️
jina/orchestrate/pods/__init__.py	90.00% <0.00%> (+0.62%)	⬆️
jina/helper.py	81.90% <0.00%> (+0.83%)	⬆️
jina/serve/runtimes/gateway/http/app.py	90.80% <0.00%> (+1.14%)	⬆️
... and 8 more

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[github-actions]

Latency summary

Current PR yields:

• 🐢🐢 index QPS at 1249, delta to last 2 avg.: -10%
• 🐎🐎🐎🐎 query QPS at 55, delta to last 2 avg.: +27%
• 🐎🐎🐎🐎 avg flow time within 1.4916 seconds, delta to last 2 avg.: +20%
• 🐎🐎 import jina within 0.3553 seconds, delta to last 2 avg.: +7%

Breakdown

Version	Index QPS	Query QPS	Avg Flow Time (s)	Import Time (s)
current	1249	55	1.4916	0.3553
2.7.0	1212	55	1.1939	0.314
2.6.4	1578	30	1.2795	0.3484

Backed by latency-tracking. Further commits will update this comment.

[bwanglzu]

LGTM!

[jacobowitz]

I was running the image test case and it seems to fix the issue as far as I can see