settings-account: Move tooltip for email change disabled to button.

Moves the tooltip when email changes are disabled to be shown on
hovering over the email button text and pencil icon. Removes the
question icon that previously showed the tooltip on hover.

static/js/tippyjs.js

@@ -398,6 +398,15 @@ export function initialize() {
         },
     });
 
+    delegate("body", {
+        target: ["#change_email_button_container.email_changes_disabled_tooltip"],
+        content: $t({defaultMessage: "Email address changes are disabled in this organization."}),
+        appendTo: () => document.body,
+        onHidden(instance) {
+            instance.destroy();
+        },
+    });
+
     delegate("body", {
         target: "#pm_tooltip_container",
         onShow(instance) {