Fixed isJansiConsoleInstalled performance issue #1976
Merged
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Fixes #1975
isJansiConsoleInstalled() was repeatedly called
in a loop from the TextTable#toString method,
which caused performance problems due to the
constant calls to Class#forName. This change
caches the result from isJansiConsoleInstalled so
it doesn't repeatedly call Class#forName, which
cannot change at runtime.