Add download menu translations

Update download menu formatting
Better error logging

src-tauri/src/file_helpers.rs

@@ -131,8 +131,8 @@ pub fn read_file(path: String) -> String {
   let mut file = match fs::File::open(path_buf) {
     Ok(file) => file,
     Err(e) => {
-      println!("Failed to open file: {}", e);
-      return String::new();
+      // Send back error for handling by the caller
+      return e;
     }
   };
 

src-tauri/src/unzip.rs

@@ -96,6 +96,13 @@ pub fn unzip(
         .unwrap();
     }
 
+    // If downloading full build, emit that the jar was extracted with it
+    if zipfile = "GrasscutterCulti3.4.zip" {
+      window
+        .emit("jar_extracted", destpath.to_string() + (destpath.to_string() + "grasscutter.jar"))
+        .unwrap();
+    }
+
     // Delete zip file
     match std::fs::remove_file(&zipfile) {
       Ok(_) => {