Fix autoloading errors

[jakejackson1]

Description

Continuation of work done in https://github.com/GravityPDF/gravity-pdf/pull/1473

Testing instructions

1. Verify signed PDF URL
2. Verify Bulk Generator extension
3. Verify Previewer extension
4. Verify PDF generates
5. Verify logging works

Screenshots

Checklist:

• [ ] I've tested the code.
• [ ] My code is easy to read, follow, and understand
• [ ] My code follows the accessibility standards.
• [ ] My code has proper inline documentation / docblocks.

Additional Comments

[codecov[bot]]

Codecov Report

Merging #1476 (608c1ab) into development (0983d14) will increase coverage by 18.16%. The diff coverage is n/a.

:exclamation: Current head 608c1ab differs from pull request most recent head 3386e34. Consider uploading reports for the commit 3386e34 to get more accurate results

@@                Coverage Diff                 @@
##             development    #1476       +/-   ##
==================================================
+ Coverage          75.13%   93.30%   +18.16%     
==================================================
  Files                243       57      -186     
  Lines              12880     1464    -11416     
  Branches             370      370               
==================================================
- Hits                9678     1366     -8312     
+ Misses              3194       90     -3104     
  Partials               8        8               

see 186 files with indirect coverage changes