edit prediction: Improve UX around disabled_globs and show_inline_completions (#24207)

Release Notes:

- N/A

---------

Co-authored-by: Danilo <danilo@zed.dev>
Co-authored-by: Danilo Leal <daniloleal09@gmail.com>

crates/ui/src/components/icon.rs

@@ -323,6 +323,7 @@ pub enum IconName {
     ZedAssistant2,
     ZedAssistantFilled,
     ZedPredict,
+    ZedPredictDisabled,
     ZedXCopilot,
 }