[Visualization] Trimmed read values of last choices

plugins/org.eclipse.app4mc.visualization.ui/src/org/eclipse/app4mc/visualization/ui/VisualizationPart.java

diff --git a/plugins/org.eclipse.app4mc.visualization.ui/src/org/eclipse/app4mc/visualization/ui/VisualizationPart.java b/plugins/org.eclipse.app4mc.visualization.ui/src/org/eclipse/app4mc/visualization/ui/VisualizationPart.java
index fba6f0f..4b0c356 100644
--- a/plugins/org.eclipse.app4mc.visualization.ui/src/org/eclipse/app4mc/visualization/ui/VisualizationPart.java
+++ b/plugins/org.eclipse.app4mc.visualization.ui/src/org/eclipse/app4mc/visualization/ui/VisualizationPart.java
@@ -155,7 +155,7 @@
 			for (String entry : keyValues) {
 				String[] keyValue = entry.split("=");
 				if (keyValue.length == 2) {
-					lastSelected.put(keyValue[0], keyValue[1]);
+					lastSelected.put(keyValue[0].trim(), keyValue[1].trim());
 				}
 			}
 		}