tweak FacebookAccountProvider to support 401 responses

[frett]

No description provided.

[codecov]

Codecov Report

Merging #3145 (800fb51) into develop (97d9019) will increase coverage by 0.04%.
Report is 2 commits behind head on develop.
The diff coverage is 77.77%.

@@             Coverage Diff             @@
##           develop    #3145      +/-   ##
===========================================
+ Coverage    32.16%   32.20%   +0.04%     
===========================================
  Files          426      426              
  Lines        10492    10500       +8     
  Branches      2326     2329       +3     
===========================================
+ Hits          3375     3382       +7     
+ Misses        6557     6553       -4     
- Partials       560      565       +5     

Files	Coverage Δ
...count/provider/facebook/FacebookAccountProvider.kt	62.50% <77.77%> (+1.20%)	⬆️

... and 2 files with indirect coverage changes

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