Fix OSM 403: inject Referer and User-Agent for tile requests

[sensei-hacker]

Summary

Fixes 403 errors from the OSM tile CDN when loading the map tab.

Electron provides no valid Referer for outgoing tile requests — packaged builds load pages from file://, and dev builds load from http://localhost. OSM's CDN rejects both with 403. The fix registers a webRequest.onBeforeSendHeaders hook on the default session at app startup that injects the required Referer and User-Agent headers on all requests to tile.openstreetmap.org.

Changes

• js/main/main.js: import session from electron; register onBeforeSendHeaders hook in app.on('ready', ...) (not inside createWindow(), to prevent double-registration) that injects Referer and a policy-compliant User-Agent for OSM tile requests
• URL filter covers both https://tile.openstreetmap.org/* (the URL OpenLayers actually uses) and https://*.tile.openstreetmap.org/* (CDN subdomain form)
• User-Agent uses app.getVersion() so it tracks the package version dynamically rather than a hardcoded string

Testing

• Launched configurator in dev mode, opened map tab — OSM tiles load without 403 errors
• Confirmed tiles were previously failing before this change

Notes

Cherry-picked and amended from MartinovEm's PR #2599 (dff32ce). The original commit hardcoded the version string and used only the subdomain wildcard pattern; both issues are fixed here.

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud