fix: show zero in matched outputs when its acctually zero.

src/page.h

@@ -1550,7 +1550,8 @@ public:
 
 
         context.emplace("outputs", outputs);
-        context["sum_xmr"] = xmreg::xmr_amount_to_str(sum_xmr);
+        context["found_our_outputs"] = (sum_xmr > 0);
+        context["sum_xmr"]           = xmreg::xmr_amount_to_str(sum_xmr);
 
         context.emplace("inputs", inputs);
         context["show_inputs"] = false;

src/templates/my_outputs.html

@@ -62,7 +62,15 @@
             {{/outputs}}
         </table>
 
-        <h3>Sum XMR from matched outputs: {{sum_xmr}}</h3>
+        <h3>
+            Sum XMR from matched outputs:
+            {{#found_our_outputs}}
+                {{sum_xmr}}
+            {{/found_our_outputs}}
+            {{^found_our_outputs}}
+                0.000000000000
+            {{/found_our_outputs}}
+        </h3>
 
     </div>