[fractal] Message Widget: Add margins for lists

[Alejandro Domínguez <aledomu src gnome org>]

commit 7bec0f36dbd7bc8b0b04b1117fa19631228db65e
Author: Maximiliano Sandoval R <msandova protonmail com>
Date:   Tue Dec 22 18:50:08 2020 +0100

    Message Widget: Add margins for lists
    
    Ordered and unordered lists now have margins.

 fractal-gtk/src/widgets/message.rs | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/fractal-gtk/src/widgets/message.rs b/fractal-gtk/src/widgets/message.rs
index 319d7a24..ad80b058 100644
--- a/fractal-gtk/src/widgets/message.rs
+++ b/fractal-gtk/src/widgets/message.rs
@@ -551,6 +551,8 @@ fn render_html_block(container: &MessageBoxContainer, msg: &Message, block: &Htm
         }
         HtmlBlock::UList(elements) => {
             let bx = gtk::Box::new(gtk::Orientation::Vertical, 6);
+            bx.set_margin_end(6);
+            bx.set_margin_start(6);
 
             for li in elements.iter() {
                 let h_box = gtk::Box::new(gtk::Orientation::Horizontal, 6);
@@ -569,6 +571,8 @@ fn render_html_block(container: &MessageBoxContainer, msg: &Message, block: &Htm
         }
         HtmlBlock::OList(elements) => {
             let bx = gtk::Box::new(gtk::Orientation::Vertical, 6);
+            bx.set_margin_end(6);
+            bx.set_margin_start(6);
 
             for (i, ol) in elements.iter().enumerate() {
                 let h_box = gtk::Box::new(gtk::Orientation::Horizontal, 6);