onboarding: Add explainer tooltips for the editing and AI section (#35619)

Includes the ability to add a tooltip for both the badge and switch
field components.

Release Notes:

- N/A

crates/onboarding/src/ai_setup_page.rs

@@ -11,7 +11,7 @@ use project::DisableAiSettings;
 use settings::{Settings, update_settings_file};
 use ui::{
     Badge, ButtonLike, Divider, Modal, ModalFooter, ModalHeader, Section, SwitchField, ToggleState,
-    prelude::*,
+    prelude::*, tooltip_container,
 };
 use util::ResultExt;
 use workspace::ModalView;
@@ -41,7 +41,11 @@ fn render_llm_provider_section(
 }
 
 fn render_privacy_card(disabled: bool, cx: &mut App) -> impl IntoElement {
-    let privacy_badge = || Badge::new("Privacy").icon(IconName::ShieldCheck);
+    let privacy_badge = || {
+        Badge::new("Privacy")
+            .icon(IconName::ShieldCheck)
+            .tooltip(move |_, cx| cx.new(|_| AiPrivacyTooltip::new()).into())
+    };
 
     v_flex()
         .relative()
@@ -355,3 +359,37 @@ impl Render for AiConfigurationModal {
             )
     }
 }
+
+pub struct AiPrivacyTooltip {}
+
+impl AiPrivacyTooltip {
+    pub fn new() -> Self {
+        Self {}
+    }
+}
+
+impl Render for AiPrivacyTooltip {
+    fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
+        const DESCRIPTION: &'static str = "One of Zed's most important principles is transparency. This is why we are and value open-source so much. And it wouldn't be any different with AI.";
+
+        tooltip_container(window, cx, move |this, _, _| {
+            this.child(
+                h_flex()
+                    .gap_1()
+                    .child(
+                        Icon::new(IconName::ShieldCheck)
+                            .size(IconSize::Small)
+                            .color(Color::Muted),
+                    )
+                    .child(Label::new("Privacy Principle")),
+            )
+            .child(
+                div().max_w_64().child(
+                    Label::new(DESCRIPTION)
+                        .size(LabelSize::Small)
+                        .color(Color::Muted),
+                ),
+            )
+        })
+    }
+}