fix: pass readOnly flag to Header in library authoring page

[navinkarkera]

Related to: #2556

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[navinkarkera]

@ChrisChV I accidentally missed to commit this change in #2556, could you please merge this.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.82%. Comparing base (436ac31) to head (67539d6).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #2598    +/-   ##
========================================
  Coverage   94.82%   94.82%            
========================================
  Files        1226     1226            
  Lines       27557    27557            
  Branches     6043     6227   +184     
========================================
  Hits        26131    26131            
+ Misses       1368     1355    -13     
- Partials       58       71    +13     

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[ChrisChV]

Looks good!