Decouple NodeMapScreen from UIViewModel (#3257)

app/src/main/java/com/geeksville/mesh/navigation/NodesNavigation.kt

@@ -225,7 +225,7 @@ enum class NodeDetailRoute(
         R.string.node_map,
         NodeDetailRoutes.NodeMap,
         Icons.Default.LocationOn,
-        { navController, metricsVM, uiVM -> NodeMapScreen(navController, uiVM, metricsVM) },
+        { navController, metricsVM, _ -> NodeMapScreen(navController, metricsVM) },
     ),
     POSITION_LOG(
         R.string.position_log,

app/src/main/java/com/geeksville/mesh/ui/map/NodeMapViewModel.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright (c) 2025 Meshtastic LLC
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package com.geeksville.mesh.ui.map
+
+import androidx.lifecycle.ViewModel
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.flow.StateFlow
+import org.meshtastic.core.data.repository.NodeRepository
+import org.meshtastic.core.database.model.Node
+import javax.inject.Inject
+
+@HiltViewModel
+class NodeMapViewModel @Inject constructor(nodeRepository: NodeRepository) : ViewModel() {
+    val ourNodeInfo: StateFlow<Node?> = nodeRepository.ourNodeInfo
+}