gpui: Use SharedString::new_static within From impls for ElementId where possible (#56139)

Horror of a PR title but could not think of anything better here.

Release Notes:

- N/A

---------

Co-authored-by: Kirill Bulatov <kirill@zed.dev>

crates/gpui/src/window.rs

@@ -5764,7 +5764,7 @@ impl From<Arc<std::path::Path>> for ElementId {
 
 impl From<&'static str> for ElementId {
     fn from(name: &'static str) -> Self {
-        ElementId::Name(name.into())
+        ElementId::Name(SharedString::new_static(name))
     }
 }
 
@@ -5776,13 +5776,13 @@ impl<'a> From<&'a FocusHandle> for ElementId {
 
 impl From<(&'static str, EntityId)> for ElementId {
     fn from((name, id): (&'static str, EntityId)) -> Self {
-        ElementId::NamedInteger(name.into(), id.as_u64())
+        ElementId::NamedInteger(SharedString::new_static(name), id.as_u64())
     }
 }
 
 impl From<(&'static str, usize)> for ElementId {
     fn from((name, id): (&'static str, usize)) -> Self {
-        ElementId::NamedInteger(name.into(), id as u64)
+        ElementId::NamedInteger(SharedString::new_static(name), id as u64)
     }
 }
 
@@ -5794,7 +5794,7 @@ impl From<(SharedString, usize)> for ElementId {
 
 impl From<(&'static str, u64)> for ElementId {
     fn from((name, id): (&'static str, u64)) -> Self {
-        ElementId::NamedInteger(name.into(), id)
+        ElementId::NamedInteger(SharedString::new_static(name), id)
     }
 }
 
@@ -5806,7 +5806,7 @@ impl From<Uuid> for ElementId {
 
 impl From<(&'static str, u32)> for ElementId {
     fn from((name, id): (&'static str, u32)) -> Self {
-        ElementId::NamedInteger(name.into(), id.into())
+        ElementId::NamedInteger(SharedString::new_static(name), u64::from(id))
     }
 }