Fix hotspot move on preview click

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

modules/glmv.js

@@ -1,5 +1,4 @@
 let slideShowInterval = null
-let grabHotspotTimer = null
 let grabHotspotStart = null
 
 /**
@@ -199,7 +198,10 @@ grabAnnotation = function(e) {
  * @param {MouseEvent} event
  */
 moveAnnotation = function(e) {
-    e.target.style['transform'] = `translate(${e.x - grabHotspotStart.x}px, ${e.y - grabHotspotStart.y}px) scale(1.1,1.1)`
+    if (grabHotspotStart) {
+        grabHotspotStart.move = true
+        e.target.style['transform'] = `translate(${e.x - grabHotspotStart.x}px, ${e.y - grabHotspotStart.y}px) scale(1.1,1.1)`
+    }
 }
 
 /**
@@ -208,9 +210,8 @@ moveAnnotation = function(e) {
  * @param {MouseEvent} event
  */
 releaseAnnotation = function(e) {
-    if (grabHotspotStart) {
+    if (grabHotspotStart.move) {
         e.target.style['transform']=''
-        grabHotspotStart = null
         const contEl = $('.glmv-container')[0]
         contEl.removeEventListener('mousemove', moveAnnotation)
         const mvEl = $('model-viewer')[0]
@@ -239,6 +240,7 @@ releaseAnnotation = function(e) {
         const newText = currentText.replace(/(.*?<pre>)[\S\s]*?(<\/pre>.*)/,`$1\n${JSON.stringify(metadata, null, 2)}\n$2`)
         $('#wpTextbox1').val(newText)
     }
+    grabHotspotStart = null
 }
 
 /**