fix resizing breaking cursor

src/app/widget.rs

@@ -3,14 +3,16 @@ use crate::{app::App, buffer::Buffer, custom_greys::CustomGreys};
 
 impl Widget for &App {
 	fn render(self, area: Rect, buf: &mut ratatui::buffer::Buffer) {
+		let current_buffer = &self.buffers[self.current_buffer_index];
+		
 		if self.buffers.len() == 1 {
-			self.current_buffer().render(area, buf);
+			current_buffer.render(area, buf);
 		} else {
 			let tab_bar_area =  Rect::new(area.x, area.y, area.width, 1);
 			self.render_tab_bar().render(tab_bar_area, buf);
 			
 			let buffer_area = Rect::new(area.x, area.y + 1, area.width, area.height - 1);
-			self.current_buffer().render(buffer_area, buf);
+			current_buffer.render(buffer_area, buf);
 		}
 	}
 }