Base avatar bg color on srcUrl instead of tooltip (#4903)

* Base avatar bg color on srcUrl instead of tooltip

- consistent per author

---------

Co-authored-by: Pavel Laptev <pawellaptew@gmail.com>

Author: mtsgrd

packages/ui/src/lib/avatar/Avatar.svelte

@@ -16,7 +16,7 @@
 </script>
 
 <Tooltip text={tooltip} align={tooltipAlign} position={tooltipPosition}>
-	<div class="image-wrapper {size}" style:background-color={stringToColor(tooltip)}>
+	<div class="image-wrapper {size}" style:background-color={stringToColor(srcUrl)}>
 		<img
 			class="avatar"
 			alt={tooltip}

packages/ui/src/lib/utils/stringToColor.ts

@@ -18,5 +18,6 @@ export function stringToColor(name: string | undefined) {
 	}
 
 	const startHash = trimmed.split('').reduce((acc, char) => acc + char.charCodeAt(0), 0);
+
 	return colors[startHash % colors.length];
 }