Fix backup upload fail on wrong progress value

[Pierre-Gilles]

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Description of change

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[relativeci]

Job #296: Bundle Size — 6.83MB (0%).

9ac3ac8 vs e0ba14e

No changes

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View Job #296 report on app.relative-ci.com

[codecov]

Codecov Report

Merging #1523 (c0d76c4) into master (e0ba14e) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1523      +/-   ##
==========================================
+ Coverage   96.57%   96.58%   +0.01%     
==========================================
  Files         618      618              
  Lines        8993     8992       -1     
==========================================
  Hits         8685     8685              
+ Misses        308      307       -1     

Impacted Files	Coverage Δ
server/lib/gateway/gateway.backup.js	100.00% <100.00%> (ø)
server/lib/scene/scene.addScene.js	94.44% <0.00%> (+1.85%)	⬆️

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