Avoid getting null value in RefSet when cloning

[calixteman]

No description provided.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 85.71429% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 62.65%. Comparing base (ff1af5a) to head (c17801b).

Files with missing lines	Patch %	Lines
src/core/editor/pdf_editor.js	85.71%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##           master   #20924   +/-   ##
=======================================
  Coverage   62.65%   62.65%           
=======================================
  Files         173      173           
  Lines      121383   121385    +2     
=======================================
+ Hits        76049    76051    +2     
  Misses      45334    45334           

Flag	Coverage Δ
fonttest	7.66% <ø> (ø)
unittestcli	62.62% <85.71%> (+<0.01%)	⬆️

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[calixteman]

/botio unittest

[moz-tools-bot]

From: Bot.io (Linux m4)

---

Received

Command cmd_unittest from @calixteman received. Current queue size: 0

Live output at: http://54.241.84.105:8877/13d5100b019b1fa/output.txt

[moz-tools-bot]

From: Bot.io (Windows)

---

Received

Command cmd_unittest from @calixteman received. Current queue size: 0

Live output at: http://54.193.163.58:8877/a863b73a6e6c962/output.txt

[moz-tools-bot]

From: Bot.io (Linux m4)

---

Success

Full output at http://54.241.84.105:8877/13d5100b019b1fa/output.txt

Total script time: 2.76 mins

• Unit Tests: Passed

[moz-tools-bot]

From: Bot.io (Windows)

---

Success

Full output at http://54.193.163.58:8877/a863b73a6e6c962/output.txt

Total script time: 6.61 mins

• Unit Tests: Passed

[timvandermeij]

Thanks!