[chore] add back exif-terminator and use only for jpeg,png,webp (#3161)

* add back exif-terminator and use only for jpeg,png,webp

* fix arguments passed to terminateExif()

* pull in latest exif-terminator

* fix test

* update processed img

---------

Co-authored-by: tobi <tobi.smethurst@protonmail.com>

vendor/github.com/dsoprea/go-iptc/testing_common.go

@@ -0,0 +1,70 @@
+package iptc
+
+import (
+	"os"
+	"path"
+
+	"github.com/dsoprea/go-logging"
+)
+
+var (
+	testDataRelFilepath = "iptc.data"
+)
+
+var (
+	moduleRootPath = ""
+	assetsPath     = ""
+)
+
+func GetModuleRootPath() string {
+	if moduleRootPath == "" {
+		moduleRootPath = os.Getenv("IPTC_MODULE_ROOT_PATH")
+		if moduleRootPath != "" {
+			return moduleRootPath
+		}
+
+		currentWd, err := os.Getwd()
+		log.PanicIf(err)
+
+		currentPath := currentWd
+		visited := make([]string, 0)
+
+		for {
+			tryStampFilepath := path.Join(currentPath, ".MODULE_ROOT")
+
+			_, err := os.Stat(tryStampFilepath)
+			if err != nil && os.IsNotExist(err) != true {
+				log.Panic(err)
+			} else if err == nil {
+				break
+			}
+
+			visited = append(visited, tryStampFilepath)
+
+			currentPath = path.Dir(currentPath)
+			if currentPath == "/" {
+				log.Panicf("could not find module-root: %v", visited)
+			}
+		}
+
+		moduleRootPath = currentPath
+	}
+
+	return moduleRootPath
+}
+
+func GetTestAssetsPath() string {
+	if assetsPath == "" {
+		moduleRootPath := GetModuleRootPath()
+		assetsPath = path.Join(moduleRootPath, "assets")
+	}
+
+	return assetsPath
+}
+
+func GetTestDataFilepath() string {
+	assetsPath := GetTestAssetsPath()
+	filepath := path.Join(assetsPath, testDataRelFilepath)
+
+	return filepath
+}