fix(client): tooltip position for hide left pane button

src/public/app/layouts/desktop_layout.js

@@ -239,16 +239,16 @@ export default class DesktopLayout {
             launcherPane = new FlexContainer("row")
                 .css("height", "53px")
                 .class("horizontal")
-                .child(new LeftPaneToggleWidget())
-                .child(new LauncherContainer(isHorizontal))
+                .child(new LeftPaneToggleWidget(true))
+                .child(new LauncherContainer(true))
                 .child(new GlobalMenuWidget(true))
         } else {
             launcherPane = new FlexContainer("column")
                 .css("width", "53px")
                 .class("vertical")
                 .child(new GlobalMenuWidget(false))
-                .child(new LauncherContainer(isHorizontal))
-                .child(new LeftPaneToggleWidget());
+                .child(new LauncherContainer(false))
+                .child(new LeftPaneToggleWidget(false));
         }
 
         launcherPane.id("launcher-pane");

src/public/app/widgets/buttons/abstract_button.js

@@ -26,7 +26,8 @@ export default class AbstractButtonWidget extends NoteContextAwareWidget {
             html: true,
             title: () => this.getTitle(),
             trigger: 'hover',
-            placement: this.settings.titlePlacement
+            placement: this.settings.titlePlacement,
+            fallbackPlacements: [ this.settings.titlePlacement ]
         })
 
         if (this.settings.onContextMenu) {

src/public/app/widgets/buttons/left_pane_toggle.js

@@ -4,7 +4,7 @@ import CommandButtonWidget from "./command_button.js";
 import { t } from "../../services/i18n.js";
 
 export default class LeftPaneToggleWidget extends CommandButtonWidget {
-    constructor() {
+    constructor(isHorizontalLayout) {
         super();
 
         this.class("launcher-button");
@@ -20,6 +20,11 @@ export default class LeftPaneToggleWidget extends CommandButtonWidget {
         this.settings.command = () => options.is('leftPaneVisible')
             ? "hideLeftPane"
             : "showLeftPane";
+
+        if (isHorizontalLayout) {
+            this.settings.titlePlacement = "bottom";
+        }
+        console.log(this.settings);
     }
 
     refreshIcon() {