fix updateAllColorsOnAllTabs

src/bg.js

@@ -58,7 +58,7 @@ var getTabParent = (tabs, id, currentTopLevelTabPos) => {
 		if (tabs[i].id === id) {
 			return {
 				parentIndex: currentTopLevelTabPos,
-				faviconUrl: tabs[i].faviconUrl
+				faviconUrl: tabs[i].favIconUrl
 			};
 		} else {
 			if (tabs[i].children && tabs[i].children.length > 0) {
@@ -79,15 +79,26 @@ var updateAllColorsOnAllTabs = async () => {
 			window:  w.id
 		});
 
-		for (let i = 0; i < tstTabs.length; i++) {
-			if (tstTabs[i].status === 'complete') {
-				let t = getTabParent(tstTabs, tstTabs[i].id);
-				browser.tabs.executeScript(tstTabs[i].id, {
+		var changeTabs = (tabs) => {
+
+			for (let i = 0; i < tabs.length; i++) {
+
+				if (tabs[i].status === 'complete') {
+					let t = getTabParent(tstTabs, tabs[i].id);
+					browser.tabs.executeScript(tabs[i].id, {
 						code: '(' + changeIcon.toString() + ')' +
 							'("' + generateRandomColor(t.parentIndex) + '", "' + t.faviconUrl + '")'
 					});
 				}
+
+				if (tabs[i].children && tabs[i].children.length > 0) {
+					changeTabs(tabs[i].children);
 				}
+			}
+		};
+
+		changeTabs(tstTabs);
+
 	});
 
 }