Update cosmic-text to 0.19

src/lib.rs

@@ -102,10 +102,9 @@ impl Default for TextBounds {
 }
 
 /// A text area containing text to be rendered along with its overflow behavior.
-#[derive(Clone)]
 pub struct TextArea<'a> {
     /// The buffer containing the text to be rendered.
-    pub buffer: &'a Buffer,
+    pub text: LayoutRunIter<'a>,
     /// The left edge of the buffer.
     pub left: f32,
     /// The top edge of the buffer.

src/text_render.rs

@@ -81,8 +81,7 @@ impl TextRenderer {
             };
 
             let layout_runs = text_area
-                .buffer
-                .layout_runs()
+                .text
                 .skip_while(|run| !is_run_visible(run))
                 .take_while(is_run_visible);