cli: Don't strip initial message from editor

This was problematic when the initial message was a valid default.

radicle-cli/src/commands/patch/create.rs

@@ -40,7 +40,7 @@ pub fn handle_patch_message(
     let (title, description) = (title.trim(), description.trim());
 
     if title.is_empty() {
-        anyhow::bail!("a title must be given");
+        anyhow::bail!("a patch title must be provided");
     }
 
     Ok((title.to_string(), description.to_owned()))

radicle-term/src/editor.rs

@@ -69,12 +69,10 @@ impl Editor {
         process::Command::new(cmd).arg(&self.path).spawn()?.wait()?;
 
         let text = fs::read_to_string(&self.path)?;
-        let text = text.strip_prefix(&initial).unwrap_or(&text);
-
         if text.trim().is_empty() {
             return Ok(None);
         }
-        Ok(Some(text.to_owned()))
+        Ok(Some(text))
     }
 }