fix missing template tag

[wolflu05]

#8932 has removed a bunch of tags, now the default page cannot be rendered because this tag is missing.

[netlify]

✅ Deploy Preview for inventree-web-pui-preview canceled.

Name	Link
🔨 Latest commit	7b4c124
🔍 Latest deploy log	https://app.netlify.com/sites/inventree-web-pui-preview/deploys/679cdeb96102bb0008823722

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 1 line in your changes missing coverage. Please review.

Project coverage is 85.43%. Comparing base (ce16dac) to head (7b4c124).

Files with missing lines	Patch %	Lines
...venTree/InvenTree/templatetags/inventree_extras.py	66.66%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #9000      +/-   ##
==========================================
- Coverage   85.43%   85.43%   -0.01%     
==========================================
  Files        1177     1177              
  Lines       51996    51999       +3     
  Branches     2111     2111              
==========================================
+ Hits        44421    44423       +2     
- Misses       7043     7044       +1     
  Partials      532      532              

Flag	Coverage Δ
backend	87.31% <66.66%> (-0.01%)	⬇️

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