Move clearFocusOnTap to the designsystem library to reduce code duplication.

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/modifiers/ClearFocusOnTap.kt

@@ -0,0 +1,29 @@
+/*
+ * Copyright (c) 2024 New Vector Ltd
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package io.element.android.libraries.designsystem.modifiers
+
+import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.focus.FocusManager
+import androidx.compose.ui.input.pointer.pointerInput
+
+fun Modifier.clearFocusOnTap(focusManager: FocusManager): Modifier =
+    pointerInput(Unit) {
+        detectTapGestures(onTap = {
+            focusManager.clearFocus()
+        })
+    }