feat: highlight autocomplete suggestion when it matches typed word

app/src/keyboards/java/be/scri/helpers/AutocompletionHandler.kt

@@ -46,10 +46,10 @@ class AutocompletionHandler(
                     return@Runnable
                 }
 
-                val completions = ime.getAutocompletions(currentWord, limit = 5)
+                val result = ime.getAutocompletions(currentWord, limit = 5)
 
-                if (completions.isNotEmpty()) {
-                    ime.updateAutocompleteSuggestions(completions)
+                if (result.completions.isNotEmpty()) {
+                    ime.updateAutocompleteSuggestions(result.completions, result.highlightedSuggestion)
                 } else {
                     ime.clearAutocomplete()
                 }

app/src/keyboards/java/be/scri/helpers/SpaceKeyProcessor.kt

@@ -61,6 +61,13 @@ class SpaceKeyProcessor(
      * @param wasLastKeySpace true if the previous key pressed was a space.
      */
     private fun handleSpaceOutsideCommandBar(wasLastKeySpace: Boolean) {
+        if (ime.tryInsertHighlightedAutocompleteSuggestion()) {
+            val wordBeforeSpace = ime.getLastWordBeforeCursor()
+            suggestionHandler.processLinguisticSuggestions(wordBeforeSpace)
+            suggestionHandler.processWordSuggestions(wordBeforeSpace)
+            return
+        }
+
         val periodOnDoubleTapEnabled = PreferencesHelper.getEnablePeriodOnSpaceBarDoubleTap(context = ime, ime.language)
         val ic = ime.currentInputConnection ?: return
         val wordBeforeSpace = ime.getLastWordBeforeCursor()