More paper config cleanup (#9938)

Also adds a warning and error message if a newer config version
was found signaling a downgrade.

patches/server/fix-converting-txt-to-json-file.patch

@@ -26,8 +26,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +++ b/src/main/java/net/minecraft/server/dedicated/DedicatedServer.java
 @@ -0,0 +0,0 @@ public class DedicatedServer extends MinecraftServer implements ServerInterface
          io.papermc.paper.util.ObfHelper.INSTANCE.getClass(); // Paper - load mappings for stacktrace deobf and etc.
-         paperConfigurations.initializeGlobalConfiguration();
-         paperConfigurations.initializeWorldDefaultsConfiguration();
+         paperConfigurations.initializeGlobalConfiguration(this.registryAccess());
+         paperConfigurations.initializeWorldDefaultsConfiguration(this.registryAccess());
 +        // Paper start - moved up to right after PlayerList creation but before file load/save
 +        if (this.convertOldUsers()) {
 +            this.getProfileCache().save(false); // Paper