Ruby - remove calls to deprecated File.exists?

Ruby renamed this to File.exist? which doesn't feel as readable, but in 3.2 File.exists has been removed completely :-(

Author: samaaron

app/server/ruby/bin/spider-server.rb

@@ -64,8 +64,8 @@
 
 
 begin
-  if File.exists?(SonicPi::Paths.original_init_path)
-    if (File.exists?(SonicPi::Paths.init_path))
+  if File.exist?(SonicPi::Paths.original_init_path)
+    if (File.exist?(SonicPi::Paths.init_path))
       STDOUT.puts "Warning, you have an older init.rb file in #{SonicPi::Paths.original_init_path} which is now being ignored as your newer config/init.rb file is being used instead. Consider deleting your old init.rb (perhaps copying anything useful across first)."
     else
       STDOUT.puts "Found init.rb in old location #{SonicPi::Paths.original_init_path}. Moving it to the new config directory #{SonicPi::Paths.init_path}."
@@ -245,7 +245,7 @@
   STDOUT.puts "Spider - Runtime Server Initialised"
   STDOUT.flush
   # read in init.rb if exists
-  if File.exists?(SonicPi::Paths.init_path)
+  if File.exist?(SonicPi::Paths.init_path)
     sp.__spider_eval(File.read(SonicPi::Paths.init_path), silent: true)
   else
     STDOUT.puts "Spider - Could not find init.rb file: #{SonicPi::Paths.init_path} "

app/server/ruby/util.rb

@@ -36,14 +36,14 @@ def jackd_pidfile()
 end
 
 def jackd_pid()
-  if File.exists?(scsynth_pidfile)
+  if File.exist?(scsynth_pidfile)
     pid = File.readlines(jackd_pidfile).first.to_i
     pid == 0 ? nil : pid
   end
 end
 
 def scsynth_pid()
-  if File.exists?(scsynth_pidfile)
+  if File.exist?(scsynth_pidfile)
     pid = File.readlines(scsynth_pidfile).first.to_i
     pid == 0 ? nil : pid
   end