popovers: Move navbar popovers to a subdirectory.

web/src/gear_menu.js

@@ -1,7 +1,7 @@
 import $ from "jquery";
 import WinChan from "winchan";
 
-import render_navbar_gear_menu_popover from "../templates/popovers/navbar_gear_menu_popover.hbs";
+import render_navbar_gear_menu_popover from "../templates/popovers/navbar/navbar_gear_menu_popover.hbs";
 
 import * as blueslip from "./blueslip";
 import * as channel from "./channel";

web/src/navbar_help_menu.ts

@@ -1,6 +1,6 @@
 import $ from "jquery";
 
-import render_navbar_help_menu from "../templates/popovers/navbar_help_menu_popover.hbs";
+import render_navbar_help_menu from "../templates/popovers/navbar/navbar_help_menu_popover.hbs";
 
 import {page_params} from "./page_params";
 import * as popover_menus from "./popover_menus";

web/src/personal_menu_popover.js

@@ -1,7 +1,7 @@
 import $ from "jquery";
 import tippy from "tippy.js";
 
-import render_navbar_personal_menu_popover from "../templates/popovers/navbar_personal_menu_popover.hbs";
+import render_navbar_personal_menu_popover from "../templates/popovers/navbar/navbar_personal_menu_popover.hbs";
 
 import * as channel from "./channel";
 import * as narrow from "./narrow";