Fix digikey create from scan

[d-buchmann]

Fixes #1499.
Each of the commits fixes the issue individually.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 62.39%. Comparing base (0e1a932) to head (c947240).
⚠️ Report is 29 commits behind head on master.

Files with missing lines	Patch %	Lines
...s/InfoProviderSystem/Providers/DigikeyProvider.php	0.00%	2 Missing ⚠️
...nfoProviderSystem/Providers/OEMSecretsProvider.php	0.00%	1 Missing ⚠️
...System/BarcodeScanner/BarcodeScanResultHandler.php	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1517      +/-   ##
============================================
+ Coverage     61.82%   62.39%   +0.57%     
- Complexity     9728     9871     +143     
============================================
  Files           724      735      +11     
  Lines         31302    31745     +443     
============================================
+ Hits          19353    19808     +455     
+ Misses        11949    11937      -12     

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[jbtronics]

The underlying issue is that urlencode() is encoding a space not as %20 which would be correct, but as + character, which digikey then interprets as an actual + character.

Using rawurlencode() gives the correct behavior. Without the escaping we would probably run into other issues, when the ID contains an slash or something.

Thanks for the PR.