fix: replace base64 images with nested svg to fix rasterization blurriness

src/composite_icon.rs

@@ -25,15 +25,27 @@ impl CompositeIcon {
 
     pub fn render(&self) -> String {
         if let Some(emblem) = &self.emblem {
-            use base64::prelude::*;
-            let bg_b64 = BASE64_STANDARD.encode(&self.bg.content);
-            let emblem_b64 = BASE64_STANDARD.encode(&emblem.content);
+            fn strip_xml(svg: &str) -> &str {
+                if let Some(idx) = svg.find("<svg") {
+                    &svg[idx..]
+                } else {
+                    svg
+                }
+            }
+            
+            let bg_svg = strip_xml(&self.bg.content);
+            let emblem_svg = strip_xml(&emblem.content);
+            
             format!(
                 r#"<svg viewBox="0 0 64 64" xmlns="http://www.w3.org/2000/svg">
-  <image x="0" y="0" width="64" height="64" href="data:image/svg+xml;base64,{}" />
-  <image x="{}" y="{}" width="{}" height="{}" href="data:image/svg+xml;base64,{}" />
+  <svg x="0" y="0" width="64" height="64">
+{}
+  </svg>
+  <svg x="{}" y="{}" width="{}" height="{}">
+{}
+  </svg>
 </svg>"#,
-                bg_b64, self.emblem_x, self.emblem_y, self.emblem_size, self.emblem_size, emblem_b64
+                bg_svg, self.emblem_x, self.emblem_y, self.emblem_size, self.emblem_size, emblem_svg
             )
         } else {
             self.bg.content.clone()