Fix new project imports failing

Attempted to find a Metadata ZIP that doesn't exist on first project
sync.

Author: Jonathing

src/main/java/net/minecraftforge/gradle/MinecraftExtensionImpl.java

@@ -288,23 +288,28 @@ void finish(Project project) {
                         var metadataDir = this.getObjects().directoryProperty().value(cacheDir).dir("metadata").map(this.problems.ensureFileLocation());
                         var metadataZip = this.output.file(Util.artifactPath(group, dependency.getName(), dependency.getVersion(), "metadata", "zip"));
 
-                        this.getFileSystemOperations().copy(copy -> copy
-                            .from(this.getArchiveOperations().zipTree(metadataZip))
-                            .into(metadataDir)
-                        );
-
-                        this.configs.set(this.getProviders().provider(() -> {
-                            try {
-                                return JsonData.fromJson(
-                                    metadataDir.get().file("launcher/runs.json").getAsFile(),
-                                    new TypeToken<Map<String, RunConfig>>() { }
-                                );
-                            } catch (Throwable ignored) {
-                                // we probably don't have metadata yet. common for fresh setups before first run.
-                                // if there's actually a problem, we can throw it in SlimeLauncherExec.
-                                return null;
-                            }
-                        }));
+                        try {
+                            this.getFileSystemOperations().copy(copy -> copy
+                                .from(this.getArchiveOperations().zipTree(metadataZip))
+                                .into(metadataDir)
+                            );
+
+                            this.configs.set(this.getProviders().provider(() -> {
+                                try {
+                                    return JsonData.fromJson(
+                                        metadataDir.get().file("launcher/runs.json").getAsFile(),
+                                        new TypeToken<Map<String, RunConfig>>() { }
+                                    );
+                                } catch (Throwable ignored) {
+                                    // we probably don't have metadata yet. common for fresh setups before first run.
+                                    // if there's actually a problem, we can throw it in SlimeLauncherExec.
+                                    return null;
+                                }
+                            }));
+                        } catch (Throwable ignored) {
+                            // we probably don't have metadata yet. common for fresh setups before first run.
+                            // if there's actually a problem, we can throw it in SlimeLauncherExec.
+                        }
 
                         this.runs.forEach(options -> SlimeLauncherExec.register(project, sourceSet, options, this.configs.getOrElse(Map.of()), dependency, metadataZip, size == 1));
                     }