LT-245: Fixing data sharing issue on studies browser

Packages/lesiontracker/client/components/studyTimepointBrowser/studyTimepoint.html

@@ -2,7 +2,7 @@
     <div class="studyTimepointWrapper">
         <div class="studyTimepoint">
             {{#each study in studies}}
-                {{>studyTimepointStudy (extend this
+                {{>studyTimepointStudy (clone this
                     study=study
                     active=(isActive study)
                 )}}

Packages/lesiontracker/client/components/studyTimepointBrowser/studyTimepointBrowser.html

@@ -32,7 +32,7 @@
                         {{/if}}
                     {{else}}
                         <div class="p-t-2">
-                            {{>studyTimepoint (extend this studies=studies)}}
+                            {{>studyTimepoint (clone this studies=studies)}}
                         </div>
                     {{/if}}
                 </div>

Packages/lesiontracker/client/components/studyTimepointBrowser/studyTimepointStudy.html

@@ -20,7 +20,7 @@
             {{#if isSidebar}}
                 <div class="studyTimepointThumbnails">
                     {{#each thumbnail in (studyThumbnails this.study)}}
-                        {{>thumbnailEntry (extend this thumbnail=thumbnail)}}
+                        {{>thumbnailEntry (clone this thumbnail=thumbnail)}}
                     {{/each}}
                 </div>
             {{/if}}