fix: grpc intercept order

[sysulq]

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[codecov-commenter]

Codecov Report

Merging #663 (212d211) into master (975877c) will increase coverage by 0.28%.
The diff coverage is 93.54%.

@@            Coverage Diff             @@
##           master     #663      +/-   ##
==========================================
+ Coverage   53.09%   53.38%   +0.28%     
==========================================
  Files         190      190              
  Lines       10312    10352      +40     
==========================================
+ Hits         5475     5526      +51     
+ Misses       4414     4405       -9     
+ Partials      423      421       -2     

Impacted Files	Coverage Δ
pkg/server/xgrpc/config.go	55.71% <ø> (ø)
pkg/server/xgrpc/server.go	83.05% <93.54%> (+18.94%)	⬆️
pkg/registry/etcdv3/registry.go	72.26% <0.00%> (+1.02%)	⬆️

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