make sure we use state system for relevant var

Author: nift4

app/src/main/java/org/andbootmgr/app/CreatePartFlow.kt

@@ -99,7 +99,7 @@ class CreatePartFlow(private val desiredStartSector: Long?): WizardFlow() {
 private class CreatePartDataHolder(val vm: WizardState, val desiredStartSector: Long?) {
 	var meta by mutableStateOf<SDUtils.SDPartitionMeta?>(null) // metaonsd only
 	lateinit var p: SDUtils.Partition.FreeSpace // metaonsd only
-	var freeSpace: Long? = null // !metaonsd only
+	var freeSpace by mutableLongStateOf(null) // !metaonsd only
 	var startSectorRelative = 0L // metaonsd only
 	var endSectorRelative = 0L // metaonsd only
 	var desiredSize = 0L // !metaonsd only
@@ -947,4 +947,4 @@ private fun Flash(c: CreatePartDataHolder) {
 			}
 		}
 	}
-}
+}