ime: Reset terminal's IME state on text_input.leave

To reproduce issue:
- Launch an IME from inside foot
- Type in some preedit text
- Use Ctrl-C to close the IME
- IME text stays in terminal until focus is changed

CHANGELOG.md

@@ -25,12 +25,19 @@
 ## 1.6.4
 ### Added
 ### Changed
+
+* The IME state no longer stays stuck in the terminal if the IME goes
+  away during preedit.
+
+
 ### Deprecated
 ### Removed
 ### Fixed
 ### Security
 ### Contributors
 
+* [tdeo](https://codeberg.org/tdeo)
+
 
 ## 1.6.3
 

ime.c

@@ -39,6 +39,11 @@ leave(void *data, struct zwp_text_input_v3 *zwp_text_input_v3,
 {
     struct seat *seat = data;
     LOG_DBG("leave: seat=%s", seat->name);
+
+    struct terminal *term = seat->kbd_focus;
+    if (term != NULL)
+        term_ime_reset(term);
+
     ime_disable(seat);
 }