Address new clippy lints

helix-term/src/commands/typed.rs

@@ -1,3 +1,4 @@
+use std::fmt::Write;
 use std::ops::Deref;
 
 use crate::job::Job;
@@ -1103,7 +1104,7 @@ fn get_character_info(
                 codepoint
             };
 
-            unicode.push_str(&format!("{codepoint:0>4x}"));
+            write!(unicode, "{codepoint:0>4x}").unwrap();
         }
 
         unicode.push(')');
@@ -1144,7 +1145,7 @@ fn get_character_info(
             }
 
             for byte in &bytes[current_byte..] {
-                hex.push_str(&format!(" {byte:0>2x}"));
+                write!(hex, " {byte:0>2x}").unwrap();
             }
 
             current_byte = bytes.len();

helix-term/src/ui/document.rs

@@ -419,7 +419,7 @@ impl<'a> TextRenderer<'a> {
             // TODO special rendering for other whitespaces?
             Grapheme::Other { ref g } if g == " " => &self.space,
             Grapheme::Other { ref g } if g == "\u{00A0}" => &self.nbsp,
-            Grapheme::Other { ref g } => &*g,
+            Grapheme::Other { ref g } => g,
             Grapheme::Newline => &self.newline,
         };