Search in selections (#10831)

Release Notes:

- Adding [#8617 ](https://github.com/zed-industries/zed/issues/8617)

---------

Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>

crates/ui/src/components/icon.rs

@@ -169,6 +169,7 @@ pub enum IconName {
     Save,
     Screen,
     SelectAll,
+    SearchSelection,
     Server,
     Settings,
     Shift,
@@ -293,6 +294,7 @@ impl IconName {
             IconName::Save => "icons/save.svg",
             IconName::Screen => "icons/desktop.svg",
             IconName::SelectAll => "icons/select_all.svg",
+            IconName::SearchSelection => "icons/search_selection.svg",
             IconName::Server => "icons/server.svg",
             IconName::Settings => "icons/file_icons/settings.svg",
             IconName::Shift => "icons/shift.svg",