Fix the used property for account colors: name -> email

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

src/components/Envelope.vue

@@ -78,7 +78,7 @@ export default {
 	computed: {
 		accountColor() {
 			return calculateAccountColor(
-				this.$store.getters.getAccount(this.data.accountId).name
+				this.$store.getters.getAccount(this.data.accountId).emailAddress
             )
         },
         draft() {

src/mixins/SidebarItems.js

@@ -24,7 +24,7 @@ export default {
 						id: 'account' + account.id,
 						key: 'account' + account.id,
 						text: account.emailAddress,
-						bullet: isError ? undefined : calculateAccountColor(account.name), // TODO
+						bullet: isError ? undefined : calculateAccountColor(account.emailAddress),
 						icon: isError ? 'icon-error' : undefined,
 						router: {
 							name: 'accountSettings',