Added debugger user setting for setting numeric precision (#313)

Co-authored-by: Jinbo Wang <[email protected]>

Author: bhoppeadoy

com.microsoft.java.debug.core/src/main/java/com/microsoft/java/debug/core/DebugSettings.java

@@ -22,6 +22,7 @@ public final class DebugSettings {
     private static DebugSettings current = new DebugSettings();
 
     public int maxStringLength = 0;
+    public int numericPrecision = 0;
     public boolean showStaticVariables = false;
     public boolean showQualifiedNames = false;
     public boolean showHex = false;

com.microsoft.java.debug.core/src/main/java/com/microsoft/java/debug/core/adapter/variables/VariableUtils.java

@@ -248,6 +248,10 @@ public static void applyFormatterOptions(Map<String, Object> defaultOptions, boo
         if (DebugSettings.getCurrent().maxStringLength > 0) {
             options.put(StringObjectFormatter.MAX_STRING_LENGTH_OPTION, DebugSettings.getCurrent().maxStringLength);
         }
+
+        if (DebugSettings.getCurrent().numericPrecision > 0) {
+            options.put(NumericFormatter.NUMERIC_PRECISION_OPTION, DebugSettings.getCurrent().numericPrecision);
+        }
     }
 
     private VariableUtils() {