Use ordinal comparisons

[davkean]

Reduce the time it takes to find v1 and v2 export factory instances, this was costing 200ms in Startup.BuildingMEFCache perf test. These were previously using cultural-aware comparisons.

CPU time:

[codecov-commenter]

Codecov Report

Merging #327 (3a5bd8c) into main (0fcb0c1) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #327   +/-   ##
=======================================
  Coverage   76.10%   76.10%           
=======================================
  Files         110      110           
  Lines        7174     7174           
=======================================
  Hits         5460     5460           
  Misses       1714     1714           

Impacted Files	Coverage Δ
...figuration/ExportMetadataViewInterfaceEmitProxy.cs	92.85% <100.00%> (ø)
...icrosoft.VisualStudio.Composition/ExportFactory.cs	100.00% <100.00%> (ø)
...crosoft.VisualStudio.Composition/ExportProvider.cs	96.39% <100.00%> (ø)

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