End Prompt with Newline

This change adds a trailing newline to the instruct mode prompt when "Wrap Sequences with Newline" is on and "Include Names" is off. (When "Include Names" is on, "Wrap Sequences with Newline" is already applied before.)

public/scripts/power-user.js

@@ -1099,7 +1099,7 @@ export function formatInstructModePrompt(name, isImpersonate, promptBias, name1,
         text += (includeNames ? promptBias : (separator + promptBias));
     }
 
-    return text.trimEnd();
+    return text.trimEnd() + (includeNames ? '' : separator);
 }
 
 const sortFunc = (a, b) => power_user.sort_order == 'asc' ? compareFunc(a, b) : compareFunc(b, a);