fix: refresh diff colors on terminal theme changes

vendor/crossterm/src/style/content_style.rs

@@ -0,0 +1,43 @@
+//! This module contains the `content style` that can be applied to an `styled content`.
+
+use std::fmt::Display;
+
+use crate::style::{Attributes, Color, StyledContent};
+
+/// The style that can be put on content.
+#[derive(Debug, Copy, Clone, Default, PartialEq, Eq)]
+pub struct ContentStyle {
+    /// The foreground color.
+    pub foreground_color: Option<Color>,
+    /// The background color.
+    pub background_color: Option<Color>,
+    /// The underline color.
+    pub underline_color: Option<Color>,
+    /// List of attributes.
+    pub attributes: Attributes,
+}
+
+impl ContentStyle {
+    /// Creates a `StyledContent` by applying the style to the given `val`.
+    #[inline]
+    pub fn apply<D: Display>(self, val: D) -> StyledContent<D> {
+        StyledContent::new(self, val)
+    }
+
+    /// Creates a new `ContentStyle`.
+    #[inline]
+    pub fn new() -> ContentStyle {
+        ContentStyle::default()
+    }
+}
+
+impl AsRef<ContentStyle> for ContentStyle {
+    fn as_ref(&self) -> &Self {
+        self
+    }
+}
+impl AsMut<ContentStyle> for ContentStyle {
+    fn as_mut(&mut self) -> &mut Self {
+        self
+    }
+}