[Fix] Handle optional versions in contract publishing (#4196)

legacy_packages/sdk/src/evm/core/classes/contract-publisher.ts

@@ -472,7 +472,7 @@ export class ContractPublisher extends RPCConnectionHandler {
 
         const latestVersion = latestMetadata.publishedMetadata.version;
         if (
-          !isIncrementalVersion(latestVersion, extraMetadataCleaned.version)
+          !isIncrementalVersion(latestVersion || "0.0.0", extraMetadataCleaned.version || "0.0.0")
         ) {
           throw Error(
             `Version ${extraMetadataCleaned.version} is not greater than ${latestVersion}`,

legacy_packages/sdk/src/evm/schema/contracts/custom.ts

@@ -238,7 +238,7 @@ export const ExtraPublishMetadataSchemaInput = /* @__PURE__ */ (() =>
             message: `'${out}' is not a valid semantic version. Should be in the format of major.minor.patch. Ex: 0.4.1`,
           };
         },
-      ),
+      ).optional(),
       displayName: z.string().optional(),
       description: z.string().optional(),
       externalLinks: z