fix: remove empty gap below search bar

Author: ntnhon

app/src/main/java/io/simplelogin/android/home/topbar/SearchTopAppBar.kt

@@ -17,10 +17,6 @@ import androidx.compose.material3.IconButton
 import androidx.compose.material3.SearchBarDefaults
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.res.stringResource
@@ -34,7 +30,6 @@ fun SearchTopAppBar(
     onQueryChange: (String) -> Unit,
     onExitSearch: () -> Unit
 ) {
-    var expanded by rememberSaveable { mutableStateOf(false) }
     DockedSearchBar(
         modifier = Modifier
             .fillMaxWidth()
@@ -45,21 +40,16 @@ fun SearchTopAppBar(
         colors = SearchBarDefaults.colors(
             containerColor = Color.Transparent
         ),
-        expanded = expanded,
-        onExpandedChange = {
-            expanded = it
-            if (!it) {
-                onExitSearch()
-            }
-        },
+        expanded = false,
+        onExpandedChange = { if (!it) onExitSearch() },
         inputField = {
             SearchBarDefaults.InputField(
                 modifier = Modifier.fillMaxWidth(),
                 query = query,
                 onQueryChange = onQueryChange,
-                onSearch = { expanded = false },
-                expanded = expanded,
-                onExpandedChange = { expanded = it },
+                onSearch = {},
+                expanded = false,
+                onExpandedChange = { if (!it) onExitSearch() },
                 placeholder = { Text(stringResource(R.string.search_all_aliases)) },
                 leadingIcon = {
                     IconButton(onClick = onExitSearch) {