Clear file input on image load

Signed-off-by: Justin Georgi <justin.georgi@gmail.com>

src/pages/detect.vue

@@ -339,6 +339,7 @@
             resolve('data:image/jpg;base64,' + searchImage)
           } else {
             const searchImage = this.$refs.image_chooser.files[0]
+            this.$refs.image_chooser.value=[]
             var reader = new FileReader()
             reader.addEventListener("load", () => {
               this.detecting = true