fix more svelte undefined warnings (#250)

routes/_components/AccountsListPage.html

@@ -51,7 +51,8 @@
     },
     data: () => ({
       loading: true,
-      accounts: []
+      accounts: [],
+      accountActions: void 0
     }),
     store: () => store,
     components: {

routes/_components/compose/ComposeBox.html

@@ -157,7 +157,8 @@
       isReply: false,
       autoFocus: false,
       sticky: false,
-      hideBottomBorder: false
+      hideBottomBorder: false,
+      hidden: false
     }),
     store: () => store,
     computed: {

routes/_components/dialog/components/ComposeDialog.html

@@ -19,6 +19,9 @@
       on('postedStatus', this, this.onPostedStatus)
       onCreateDialog.call(this)
     },
+    data: () => ({
+      title: void 0
+    }),
     methods: {
       show,
       close,

routes/_components/dialog/components/ModalDialog.html

@@ -144,7 +144,8 @@
       shouldAnimate: !process.browser || document.getElementsByClassName('modal-dialog').length < 2,
       fadedIn: false,
       muted: false,
-      className: void 0
+      className: void 0,
+      title: void 0
     }),
     computed: {
       backdropClass: (fadedIn, shouldAnimate) => {