Use a dedicated string for the Mute room notification mode

Two of the three modes on the room notification settings screen had
screen-scoped keys; the third reused common_mute, which also labels the Mute
action button on the room details screen. A translator could not fix one
occurrence without breaking the other.

Add screen_room_notification_settings_mode_mute and use it at both places on
that screen. The English value is unchanged, so nothing renders differently.
The action button keeps common_mute, which is the one context where the
generic verb is correct.

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/notificationsettings/RoomNotificationSettingsItem.kt

@@ -12,7 +12,6 @@ import androidx.compose.runtime.Composable
 import androidx.compose.ui.res.stringResource
 import io.element.android.features.roomdetails.impl.R
 import io.element.android.libraries.matrix.api.room.RoomNotificationMode
-import io.element.android.libraries.ui.strings.CommonStrings
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.toImmutableList
 
@@ -36,7 +35,7 @@ fun roomNotificationSettingsItems(): ImmutableList<RoomNotificationSettingsItem>
                 )
                 RoomNotificationMode.MUTE -> RoomNotificationSettingsItem(
                     mode = it,
-                    title = stringResource(CommonStrings.common_mute),
+                    title = stringResource(R.string.screen_room_notification_settings_mode_mute),
                 )
             }
         }

features/roomdetails/impl/src/main/kotlin/io/element/android/features/roomdetails/impl/notificationsettings/RoomNotificationSettingsView.kt

@@ -34,7 +34,6 @@ import io.element.android.libraries.designsystem.text.buildAnnotatedStringWithSt
 import io.element.android.libraries.designsystem.theme.components.Scaffold
 import io.element.android.libraries.designsystem.theme.components.TopAppBar
 import io.element.android.libraries.matrix.api.room.RoomNotificationMode
-import io.element.android.libraries.ui.strings.CommonStrings
 
 @Composable
 fun RoomNotificationSettingsView(
@@ -118,7 +117,7 @@ private fun RoomSpecificNotificationSettingsView(
                             RoomNotificationMode.MENTIONS_AND_KEYWORDS_ONLY -> {
                                 stringResource(id = R.string.screen_room_notification_settings_mode_mentions_and_keywords)
                             }
-                            RoomNotificationMode.MUTE -> stringResource(id = CommonStrings.common_mute)
+                            RoomNotificationMode.MUTE -> stringResource(id = R.string.screen_room_notification_settings_mode_mute)
                         }
                         val displayMentionsOnlyDisclaimer = state.displayMentionsOnlyDisclaimer &&
                             state.defaultRoomNotificationMode == RoomNotificationMode.MENTIONS_AND_KEYWORDS_ONLY

features/roomdetails/impl/src/main/res/values/temporary.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~ Copyright (c) 2026 Element Creations Ltd.
+  ~
+  ~ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+  ~ Please see LICENSE files in the repository root for full details.
+  -->
+
+<resources>
+    <string name="screen_room_notification_settings_mode_mute">Mute</string>
+</resources>