add proper message for timelapse frame deletion

languages/en_CA.json

@@ -195,6 +195,7 @@
    "Can Edit Monitor": "Can Edit Monitor",
    "Can Delete Videos": "Can Delete Videos",
    "Delete Video": "Delete Video",
+   "Delete Timelapse Frame": "Delete Timelapse Frame",
    "Can View Videos and Events": "Can View Videos and Events",
    "Can Delete Videos and Events": "Can Delete Videos and Events",
    "Saved Filters": "Saved Filters",
@@ -405,6 +406,7 @@
    "Fix Video": "Fix Video",
    "FixVideoMsg": "Do you want to fix this video? You cannot undo this action.",
    "DeleteVideoMsg": "Do you want to delete this video? You cannot recover it.",
+   "DeleteThisMsg": "Do you want to delete this? You cannot recover it.",
    "dropBoxSuccess": "Success! Files saved to your Dropbox.",
    "API Key Deleted": "API Key Deleted",
    "APIKeyDeletedText": "Key has been deleted. It will no longer work.",

web/libs/js/dash2.timelapse.jpeg.js

@@ -139,6 +139,7 @@ $(document).ready(function(e){
         pauseTimelapse()
         frameIcons.empty()
         setPlayBackFrame(null)
+        allowKeepChecking = false
     }
     var pauseTimelapse = function(){
         canPlay = false
@@ -185,8 +186,8 @@ $(document).ready(function(e){
         var filename = el.attr('data-filename')
         var frame = currentPlaylist[filename]
         $.confirm.create({
-            title: `sdf`,
-            body: `sdf`,
+            title: lang['Delete Timelapse Frame'],
+            body: lang.DeleteThisMsg + `<br><br><img style="max-width:100%" src="${frame.href}">`,
             clickOptions: {
                 class: 'btn-danger',
                 title: lang.Delete,