Factor out LabelLike to share common label styles (#3510)

This PR factors out a new `LabelLike` component to share common styles
between the `Label` and `HighlightedLabel` components.

Release Notes:

- N/A

crates/go_to_line2/src/go_to_line.rs

@@ -6,7 +6,7 @@ use gpui::{
 };
 use text::{Bias, Point};
 use theme::ActiveTheme;
-use ui::{h_stack, v_stack, Color, Label, StyledExt};
+use ui::{h_stack, prelude::*, v_stack, Label};
 use util::paths::FILE_ROW_COLUMN_DELIMITER;
 
 actions!(Toggle);