Change OOO so that MELS generation will continue over hidden events

this fixes the scenario of N Member events, then an invisible event
e.g. (m.room.aliases) then more Member events. Pre hide-join-parts
this is how it worked.

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

src/components/structures/MessagePanel.js

@@ -339,6 +339,11 @@ module.exports = React.createClass({
                 for (;i + 1 < this.props.events.length; i++) {
                     const collapsedMxEv = this.props.events[i + 1];
 
+                    // Ignore redacted/hidden member events
+                    if (!this._shouldShowEvent(collapsedMxEv)) {
+                        continue;
+                    }
+
                     if (!isMembershipChange(collapsedMxEv) ||
                         this._wantsDateSeparator(this.props.events[i], collapsedMxEv.getDate())) {
                         break;
@@ -349,11 +354,6 @@ module.exports = React.createClass({
                         readMarkerInMels = true;
                     }
 
-                    // Ignore redacted/hidden member events
-                    if (!this._shouldShowEvent(collapsedMxEv)) {
-                        continue;
-                    }
-
                     summarisedEvents.push(collapsedMxEv);
                 }