[Glitch] Allow drag&drop of link to quote in compose form

Port 4ab1d5d724 to glitch-soc

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

app/javascript/flavours/glitch/features/compose/components/compose_form.jsx

@@ -71,6 +71,7 @@ class ComposeForm extends ImmutablePureComponent {
     onSuggestionSelected: PropTypes.func.isRequired,
     onChangeSpoilerText: PropTypes.func.isRequired,
     onPaste: PropTypes.func.isRequired,
+    onDrop: PropTypes.func.isRequired,
     onPickEmoji: PropTypes.func.isRequired,
     autoFocus: PropTypes.bool,
     withoutNavigation: PropTypes.bool,
@@ -271,7 +272,7 @@ class ComposeForm extends ImmutablePureComponent {
   };
 
   render () {
-    const { intl, onPaste, autoFocus, withoutNavigation, maxChars, isSubmitting } = this.props;
+    const { intl, onPaste, onDrop, autoFocus, withoutNavigation, maxChars, isSubmitting } = this.props;
     const { highlighted } = this.state;
 
     return (
@@ -327,6 +328,7 @@ class ComposeForm extends ImmutablePureComponent {
             onSuggestionsClearRequested={this.onSuggestionsClearRequested}
             onSuggestionSelected={this.onSuggestionSelected}
             onPaste={onPaste}
+            onDrop={onDrop}
             autoFocus={autoFocus}
             lang={this.props.lang}
             className='compose-form__input'