fix(frontend): don't allow selecting empty apps

[eh-am]

Due to circumstances, some of our old apps have empty strings as name. This PR ashamedly skips those when fetching from the backend.

Highlighted an app with empty name (which this PR skips)

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
webapp/public/assets/app.js	341.51 KB (+0.01% 🔺)	6.9 s (+0.01% 🔺)	1.1 s (+1.4% 🔺)	7.9 s

[codecov]

Codecov Report

Merging #723 (743b189) into main (fff5af0) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #723      +/-   ##
==========================================
+ Coverage   76.61%   76.63%   +0.03%     
==========================================
  Files          60       60              
  Lines        2069     2071       +2     
  Branches      371      432      +61     
==========================================
+ Hits         1585     1587       +2     
  Misses        456      456              
  Partials       28       28              

Impacted Files	Coverage Δ
webapp/javascript/services/appNames.ts	90.48% <100.00%> (+1.01%)	⬆️

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[pyroscopebot]

Screenshots

Throughput

Disk Usage

Memory

Upload Errors (Total)

Successful Uploads (Total)

CPU Utilization

Result

	main	pr	diff	threshold
throughput	222.56	227.89	5.33 (2.37%)	5%
total items processed	67376.00	68665.00	1289.00 (1.90%)	5%

Details

Name	Description	Query for main	Query for pr
throughput		rate(pyroscope_http_request_duration_seconds_count{handler="/ingest", instance="pyroscope-main:4040"}[5m])	rate(pyroscope_http_request_duration_seconds_count{handler="/ingest", instance="pyroscope:4040"}[5m])
total items processed		pyroscope_http_request_duration_seconds_count{handler="/ingest", instance="pyroscope-main:4040"}	pyroscope_http_request_duration_seconds_count{handler="/ingest", instance="pyroscope:4040"}

Generated by 🚫 dangerJS against f9d588a

[Rperry2174]

Lgtm 🎉