fix: pad Hidden Words screen for bottom nav and gesture bars

The bottom add-word text field sat behind the phone's navigation
and gesture bars. Apply the union of navigation bar and IME insets
to the bottom bar so it clears the system bars and rises with the
keyboard without a double-counted gap.

https://claude.ai/code/session_01KPkQbS9SYTigkkzYGU97Sz

amethyst/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/settings/HiddenWordsScreen.kt

@@ -26,10 +26,14 @@ import androidx.compose.foundation.combinedClickable
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.ime
+import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.union
+import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
@@ -83,7 +87,6 @@ fun HiddenWordsScreen(
     var selected by remember { mutableStateOf(setOf<String>()) }
 
     Scaffold(
-        modifier = Modifier.imePadding(),
         topBar = {
             BlockListTopBar(
                 title = R.string.hidden_words,
@@ -104,7 +107,10 @@ fun HiddenWordsScreen(
             )
         },
         bottomBar = {
-            Surface(tonalElevation = 3.dp) {
+            Surface(
+                tonalElevation = 3.dp,
+                modifier = Modifier.windowInsetsPadding(WindowInsets.navigationBars.union(WindowInsets.ime)),
+            ) {
                 AddMuteWordTextField(accountViewModel)
             }
         },