Fix (more) broken intradoc links

Good thing I just set up CI earlier for this 😅

core/src/text.rs

@@ -215,7 +215,7 @@ pub trait Paragraph: Default {
     /// Returns the [`LineHeight`] of the [`Paragraph`].
     fn line_height(&self) -> LineHeight;
 
-    /// Returns the [`Font`] of the [`Paragraph`].
+    /// Returns the [`Self::Font`] of the [`Paragraph`].
     fn font(&self) -> Self::Font;
 
     /// Returns the [`Shaping`] strategy of the [`Paragraph`].

graphics/src/backend.rs

@@ -16,7 +16,7 @@ pub trait Backend {
 
 /// A graphics backend that supports text rendering.
 pub trait Text {
-    /// Loads a [`Font`] from its bytes.
+    /// Loads a font from its bytes.
     fn load_font(&mut self, font: Cow<'static, [u8]>);
 
     /// Returns the [`cosmic_text::FontSystem`] of the [`Backend`].

graphics/src/primitive.rs

@@ -34,11 +34,11 @@ pub enum Primitive<T> {
     },
     /// A paragraph primitive
     Paragraph {
-        /// The [`Paragraph`].
+        /// The [`paragraph::Weak`] reference.
         paragraph: paragraph::Weak,
-        /// The position of the [`Paragraph`].
+        /// The position of the paragraph.
         position: Point,
-        /// The color of the [`Paragraph`].
+        /// The color of the paragraph.
         color: Color,
     },
     /// A quad primitive