Improve search toolbar UX a little bit (#8102)

* Improve search toolbar UX a little.

* Fix wrong stringResource import.

* Revert `FocusRequester` change in favour of #8093.

app/src/main/java/eu/kanade/presentation/more/settings/SettingsSearchScreen.kt

@@ -5,6 +5,8 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.lazy.items
+import androidx.compose.foundation.text.KeyboardActions
+import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
@@ -14,11 +16,16 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalFocusManager
+import androidx.compose.ui.platform.LocalSoftwareKeyboardController
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.input.ImeAction
 import androidx.compose.ui.unit.dp
 import eu.kanade.presentation.components.Scaffold
 import eu.kanade.presentation.components.ScrollbarLazyColumn
 import eu.kanade.presentation.components.SearchToolbar
 import eu.kanade.presentation.util.horizontalPadding
+import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.ui.setting.SettingsController
 import eu.kanade.tachiyomi.ui.setting.search.SettingsSearchHelper
 import eu.kanade.tachiyomi.ui.setting.search.SettingsSearchPresenter
@@ -33,6 +40,9 @@ fun SettingsSearchScreen(
     val results by presenter.state.collectAsState()
     var query by remember { mutableStateOf("") }
 
+    val keyboardController = LocalSoftwareKeyboardController.current
+    val focusManager = LocalFocusManager.current
+
     Scaffold(
         topBar = { scrollBehavior ->
             SearchToolbar(
@@ -41,13 +51,20 @@ fun SettingsSearchScreen(
                     query = it
                     presenter.searchSettings(it)
                 },
+                placeholderText = stringResource(R.string.action_search_settings),
                 onClickCloseSearch = navigateUp,
                 onClickResetSearch = { query = "" },
                 scrollBehavior = scrollBehavior,
+                keyboardOptions = KeyboardOptions.Default.copy(
+                    imeAction = ImeAction.Search,
+                ),
+                keyboardActions = KeyboardActions(
+                    onSearch = {
+                        focusManager.clearFocus()
+                        keyboardController?.hide()
+                    },
+                ),
             )
-
-            // TODO: search placeholder
-            // Text(stringResource(R.string.action_search_settings))
         },
     ) { contentPadding ->
         ScrollbarLazyColumn(