Everywhere: Use _{short_,}string to create Strings from literals

Author: https://github.com/linusg
Commit: 09d40bfbb2
Pull-request: https://github.com/SerenityOS/serenity/pull/17619
Reviewed-by: https://github.com/AtkinsSJ
Reviewed-by: https://github.com/MacDue
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/trflynn89

Userland/Libraries/LibJS/Runtime/Temporal/Instant.cpp

@@ -267,7 +267,7 @@ ThrowCompletionOr<String> temporal_instant_to_string(VM& vm, Instant& instant, V
     // 8. If timeZone is undefined, then
     if (time_zone.is_undefined()) {
         // a. Let timeZoneString be "Z".
-        time_zone_string = String::from_utf8_short_string("Z"sv);
+        time_zone_string = "Z"_short_string;
     }
     // 9. Else,
     else {