Allow cancelling room loading in Home screen (#6723)

Previously, this was disabled by mistake, since it's the default behavior.

features/home/impl/src/main/kotlin/io/element/android/features/home/impl/HomeFlowNode.kt

@@ -17,6 +17,7 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.coroutineScope
 import com.bumble.appyx.core.lifecycle.subscribe
@@ -171,6 +172,7 @@ class HomeFlowNode(
             if (loadingJoinedRoomJob.value.isLoading()) {
                 DelayedVisibility(duration = 400.milliseconds) {
                     ProgressDialog(
+                        properties = DialogProperties(dismissOnBackPress = true, dismissOnClickOutside = true),
                         onDismissRequest = {
                             loadingJoinedRoomJob.value.dataOrNull()?.cancel()
                             loadingJoinedRoomJob.value = AsyncData.Uninitialized