more detailed description of the xclip missing error

Signed-off-by: Uncle Stretch <uncle.stretch@ghostchain.io>

src/components/wallet/accounts.rs

@@ -145,7 +145,7 @@ impl Accounts {
                     format!("address {} copied to clipboard", &address), 
                     ActionLevel::Warn),
                 _ => self.log_event(
-                    "could not use `xclip` to copy".to_string(), 
+                    "command `xclip` not found, consider installing `xclip` on your machine".to_string(), 
                     ActionLevel::Error),
             }
         }