[Glitch] Do not show drag&drop dialog when not logined

Port 553b169d48 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/features/ui/index.js

@@ -303,7 +303,7 @@ class UI extends React.Component {
       this.dragTargets.push(e.target);
     }
 
-    if (e.dataTransfer && e.dataTransfer.types.includes('Files') && this.props.canUploadMore) {
+    if (e.dataTransfer && e.dataTransfer.types.includes('Files') && this.props.canUploadMore && this.context.identity.signedIn) {
       this.setState({ draggingOver: true });
     }
   }
@@ -330,7 +330,7 @@ class UI extends React.Component {
     this.setState({ draggingOver: false });
     this.dragTargets = [];
 
-    if (e.dataTransfer && e.dataTransfer.files.length >= 1 && this.props.canUploadMore) {
+    if (e.dataTransfer && e.dataTransfer.files.length >= 1 && this.props.canUploadMore && this.context.identity.signedIn) {
       this.props.dispatch(uploadCompose(e.dataTransfer.files));
     }
   }