Update partition sizes after sideload

Change-Id: I4dbb4677f1c3bcfa0b0a9248ae0b411c155f927e
diff --git a/gui/action.cpp b/gui/action.cpp
index 32adb84..5536c82 100644
--- a/gui/action.cpp
+++ b/gui/action.cpp
@@ -1195,6 +1195,7 @@
 				} else {
 					ret = 1; // failure
 				}
+				PartitionManager.Update_System_Details();
 				if (DataManager::GetIntValue(TW_HAS_INJECTTWRP) == 1 && DataManager::GetIntValue(TW_INJECT_AFTER_ZIP) == 1) {
 					operation_start("ReinjectTWRP");
 					gui_print("Injecting TWRP into boot image...\n");