fix amend due to blind clippy warning refactoring (closes #250)

Author: Stephan Dilly

src/components/commit.rs

@@ -208,10 +208,10 @@ impl CommitComponent {
             return Ok(());
         }
 
-        let res =
-            self.amend.map_or(sync::commit(CWD, &msg), |amend| {
-                sync::amend(CWD, amend, &msg)
-            });
+        let res = self.amend.map_or_else(
+            || sync::commit(CWD, &msg),
+            |amend| sync::amend(CWD, amend, &msg),
+        );
         if let Err(e) = res {
             log::error!("commit error: {}", &e);
             self.queue.borrow_mut().push_back(

src/components/utils/statustree.rs

@@ -44,8 +44,8 @@ impl StatusTree {
         let last_selection_index = self.selection.unwrap_or(0);
 
         self.tree = FileTreeItems::new(list, &last_collapsed)?;
-        self.selection = last_selection.as_ref().map_or(
-            self.tree.items().first().map(|_| 0),
+        self.selection = last_selection.as_ref().map_or_else(
+            || self.tree.items().first().map(|_| 0),
             |last_selection| {
                 self.find_last_selection(
                     last_selection,