Add color hash for user avatar backgrounds

webroot/js/message.js

@@ -20,7 +20,7 @@ class Message {
 		return this.addNewlines(linked);
 	}
 	userColor() {
-		return colorForString(this.author);
+		return messageBubbleColorForString(this.author);
 	}
 
 	toModel() {

webroot/js/usercolors.js

@@ -71,14 +71,14 @@ function messageBubbleColorForString(str) {
     // eslint-disable-next-line
     hash = str.charCodeAt(i) + ((hash << 5) - hash);
   }
-  let colour = '#';
+  let color = '#';
   for (let i = 0; i < 3; i++) {
     // eslint-disable-next-line
     let value = (hash >> (i * 8)) & 0xff;
-    colour += ('00' + value.toString(16)).substr(-2);
+    color += ('00' + value.toString(16)).substr(-2);
   }
   // Convert to RGBA
-  let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(colour);
+  let result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(color);
   let rgb = result ? {
     r: parseInt(result[1], 16),
     g: parseInt(result[2], 16),