Clippy code cleanup

src/import.rs

@@ -63,7 +63,7 @@ pub enum ImportMessage {
 
 impl NavigatedPage<ImportMessage> for ImportState {
     fn navigate(&self, message: &ImportMessage) -> Option<Page> {
-        if let Some(_) = self.progress {
+        if self.progress.is_some() {
             return None;
         }
 
@@ -254,7 +254,7 @@ impl ImportState {
     }
 
     fn property_selector(&self) -> Element<'_, ImportMessage> {
-        if self.selected_property == None {
+        if self.selected_property.is_none() {
             return space().into();
         }
         column![
@@ -360,7 +360,7 @@ impl ImportState {
                 spawn_blocking(move || {
                     Self::extract_import_file(path)?;
                     let data = Self::read_import_file()?;
-                    return Ok(data);
+                    Ok(data)
                 })
                 .await
                 .unwrap()
@@ -452,11 +452,11 @@ impl ImportState {
                         let mut word = WordData::new();
 
                         word.tags = import.tags.trim().replace(" ", ", ");
-                        word.group_id = group_id.clone();
+                        word.group_id = group_id;
                         for (dest, indices) in &map_indices {
                             let collected_string = Self::collect_strings(
                                 &import.fields,
-                                &indices,
+                                indices,
                                 &separator,
                                 skip_empty,
                             );
@@ -525,15 +525,14 @@ impl ImportState {
     }
 
     fn collect_strings(
-        properties: &Vec<String>,
-        indices: &Vec<usize>,
+        properties: &[String],
+        indices: &[usize],
         separator: &str,
         skip_empty: bool,
     ) -> String {
         let mut working_words = Vec::with_capacity(indices.len());
-        for i in 0..indices.len() {
-            let index = indices[i];
-            let str = properties.get(index).unwrap();
+        for index in indices {
+            let str = properties.get(*index).unwrap();
             if skip_empty && str.is_empty() {
                 continue;
             }