Split out email & phone number settings to separate components & move discovery to privacy tab (#12670)

* WIP update of threepid settings section

* Remove email / phone number section from original place

and don't show the new one if 3pids are disabled

* Update snapshots

* Pull identity server / 3pid binding settings out to separate component

and put it in the security & privacy section which is its new home

* Update snapshot

* Move relevant part of test & update screenshots / snapshots

* Remove unnecessary dependency

* Add test for discovery settings

* Add spacing in terms agreement

playwright/e2e/settings/general-user-settings-tab.spec.ts

@@ -91,11 +91,6 @@ test.describe("General user settings tab", () => {
         // Assert that the default value is rendered again
         await expect(languageInput.getByText("English")).toBeVisible();
 
-        const setIdServer = uut.locator(".mx_SetIdServer");
-        await setIdServer.scrollIntoViewIfNeeded();
-        // Assert that an input area for identity server exists
-        await expect(setIdServer.getByRole("textbox", { name: "Enter a new identity server" })).toBeVisible();
-
         const setIntegrationManager = uut.locator(".mx_SetIntegrationManager");
         await setIntegrationManager.scrollIntoViewIfNeeded();
         await expect(