CmdInfo: Fix leading spaces before urgency value

The minimal field width is set to 4, so if the value is shorter, it gets
prefixed with spaces, breaking the flow of the table.

src/commands/CmdInfo.cpp

@@ -37,6 +37,7 @@
 #include <shared.h>
 #include <format.h>
 #include <util.h>
+#include <Lexer.h>
 
 ////////////////////////////////////////////////////////////////////////////////
 CmdInfo::CmdInfo ()
@@ -373,7 +374,7 @@ int CmdInfo::execute (std::string& output)
     // Task::urgency
     row = view.addRow ();
     view.set (row, 0, "Urgency");
-    view.set (row, 1, format (task.urgency (), 4, 4));
+    view.set (row, 1, Lexer::trimLeft (format (task.urgency (), 4, 4)));
 
     // Show any UDAs
     auto all = task.all ();