Updated the test edit page (still need to do the post page)

models/benchmark.go

@@ -1,6 +1,8 @@
 package models
 
 import (
+  "strconv"
+
   "gorm.io/gorm"
 )
 
@@ -16,3 +18,7 @@ type Benchmark struct {
   // has many results
   Results     []Result
 }
+
+func (b *Benchmark) StringID() string {
+  return strconv.Itoa(int(b.ID))
+}