Set role for new Pressbooks users launching and LTI connection

[cagp-dev-mtl]

No description provided.

[codecov]

Codecov Report

Merging #107 into dev will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##                dev     #107      +/-   ##
============================================
+ Coverage     79.02%   79.04%   +0.01%     
  Complexity      327      327              
============================================
  Files             9        9              
  Lines          1168     1169       +1     
============================================
+ Hits            923      924       +1     
  Misses          245      245              

Impacted Files	Coverage Δ	Complexity Δ
inc/class-tool.php	74.93% <100.00%> (+0.06%)	110.00 <0.00> (ø)

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