Adding Collapse All tooltip in the Asset Browser (#7236)

* Added Collapse All Tooltip

Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com>

* Changed tooltip duration

Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com>

* Changed tooltip from .ui file

Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com>

* Removed custom tooltip duration

Signed-off-by: AMZN-Igarri <82394219+AMZN-Igarri@users.noreply.github.com>

Code/Editor/AzAssetBrowser/AzAssetBrowserWindow.ui

@@ -78,10 +78,7 @@
             <enum>Qt::ClickFocus</enum>
            </property>
            <property name="toolTip">
-            <string extracomment="Collapse All"/>
-           </property>
-           <property name="toolTipDuration">
-            <number>3</number>
+            <string extracomment="Collapse All">Collapse All</string>
            </property>
            <property name="text">
             <string/>