Update libcosmic for updated iced API

.gitmodules

@@ -1,7 +1,7 @@
 [submodule "iced"]
 	path = iced
-	url = https://github.com/pop-os/iced.git
-	branch = master
+	url = https://github.com/kenz-gelsoft/iced.git
+	branch = backport-input-method2
 [submodule "icon-theme"]
 	path = cosmic-icons
 	url = https://github.com/pop-os/cosmic-icons

iced

@@ -1 +1 @@
-Subproject commit 10db38f982001a714bd94e99a082368762b378ee
+Subproject commit 3f86956359b68949350f066941860121c41bb518

src/widget/text_input/input.rs

@@ -2168,10 +2168,6 @@ fn input_method<'b>(
         return InputMethod::Disabled;
     };
 
-    let Some(preedit) = &state.preedit else {
-        return InputMethod::Allowed;
-    };
-
     let text_bounds = text_layout.bounds();
     let cursor_index = match state.cursor.state(value) {
         cursor::State::Index(position) => position,
@@ -2183,14 +2179,14 @@ fn input_method<'b>(
         x: text_bounds.x + cursor - offset,
         y: text_bounds.y + text_bounds.height,
     };
-    InputMethod::Open {
+    InputMethod::Enabled {
         position: bottom_left,
         purpose: if state.is_secure {
             input_method::Purpose::Secure
         } else {
             input_method::Purpose::Normal
         },
-        preedit: Some(preedit.as_ref()),
+        preedit: state.preedit.as_ref().map(input_method::Preedit::as_ref),
     }
 }