Use task icons for all kinds of tasks (#10333)

<img width="565" alt="image"
src="https://github.com/zed-industries/zed/assets/2690773/cbb59154-1153-459a-978c-8c125e879d27">
<img width="562" alt="image"
src="https://github.com/zed-industries/zed/assets/2690773/d3f65a09-2f75-4db8-85c2-1abb591e609c">


Release Notes:

- Added more icons to task modal

crates/ui/src/components/icon.rs

@@ -104,6 +104,7 @@ pub enum IconName {
     Return,
     ReplyArrowRight,
     ReplyArrowLeft,
+    Settings,
     Screen,
     SelectAll,
     Shift,
@@ -200,6 +201,7 @@ impl IconName {
             IconName::Return => "icons/return.svg",
             IconName::ReplyArrowRight => "icons/reply_arrow_right.svg",
             IconName::ReplyArrowLeft => "icons/reply_arrow_left.svg",
+            IconName::Settings => "icons/file_icons/settings.svg",
             IconName::Screen => "icons/desktop.svg",
             IconName::SelectAll => "icons/select_all.svg",
             IconName::Shift => "icons/shift.svg",