fix(cli): remove payable modifier from library functions (#3629)

Author: alvrs

.changeset/clean-panthers-attend.md

@@ -0,0 +1,5 @@
+---
+"@latticexyz/world": patch
+---
+
+System libraries are no longer generated with `payable` keyword.

packages/world/ts/node/render-solidity/renderSystemLibrary.ts

@@ -16,12 +16,18 @@ export function renderSystemLibrary(options: RenderSystemLibraryOptions) {
     systemName,
     namespace,
     resourceId,
-    functions,
+    functions: functionsInput,
     errors: systemErrors,
     worldImportPath,
     storeImportPath,
   } = options;
 
+  // Remove `payable` from stateMutability for library functions
+  const functions = functionsInput.map((func) => ({
+    ...func,
+    stateMutability: func.stateMutability.replace("payable", ""),
+  }));
+
   // Add required imports, if they are already included they will get removed in renderImports
   const imports = [
     ...systemImports,