Don't flash resolved comments when editor is loading

services/web/app/views/project/editor/editor.jade

@@ -18,7 +18,8 @@ div.full-size(
 			'rp-state-overview': (reviewPanel.subView === SubViews.OVERVIEW),\
 			'rp-size-mini': (!ui.reviewPanelOpen && reviewPanel.hasEntries),\
 			'rp-size-expanded': ui.reviewPanelOpen,\
-			'rp-layout-left': reviewPanel.layoutToLeft\
+			'rp-layout-left': reviewPanel.layoutToLeft,\
+			'rp-loading-threads': reviewPanel.loadingThreads\
 		}"
 	)
 		.loading-panel(ng-show="!editor.sharejs_doc || editor.opening")

services/web/app/views/project/editor/review-panel.jade

@@ -52,6 +52,7 @@
 						on-reply="submitReply(entry, entry_id);"
 						on-indicator-click="toggleReviewPanel();"
 						permissions="permissions"
+						ng-if="!reviewPanel.loadingThreads"
 					)
 				
 				div(ng-if="entry.type === 'add-comment' && permissions.comment")

services/web/public/coffee/ide.coffee

@@ -67,7 +67,7 @@ define [
 			view: "editor"
 			chatOpen: false
 			pdfLayout: 'sideBySide'
-			reviewPanelOpen: localStorage("ui.reviewPanelOpen.#{window.project_id}") and $scope.project.features.trackChanges
+			reviewPanelOpen: localStorage("ui.reviewPanelOpen.#{window.project_id}")
 			showCodeCheckerOnboarding: !window.userSettings.syntaxValidation?
 		}
 		$scope.user = window.user

services/web/public/coffee/ide/review-panel/controllers/ReviewPanelController.coffee

@@ -25,6 +25,7 @@ define [
 			resolvedThreadIds: {}
 			layoutToLeft: false
 			rendererData: {}
+			loadingThreads: false
 
 		$scope.$on "layout:pdf:linked", (event, state) ->
 			$scope.reviewPanel.layoutToLeft = (state.east?.size < 220 || state.east?.initClosed)
@@ -403,8 +404,10 @@ define [
 				# We get any updates in real time so only need to load them once.
 				return
 			_threadsLoaded = true
+			$scope.reviewPanel.loadingThreads = true
 			$http.get "/project/#{$scope.project_id}/threads"
 				.success (threads) ->
+					$scope.reviewPanel.loadingThreads = false
 					for thread_id, _ of $scope.reviewPanel.resolvedThreadIds
 						delete $scope.reviewPanel.resolvedThreadIds[thread_id]
 					for thread_id, thread of threads

services/web/public/stylesheets/app/editor/review-panel.less

@@ -692,7 +692,7 @@
 	.track-changes-marker-callout {
 		border-radius: 0;
 		position: absolute;
-		.rp-state-overview & {
+		.rp-state-overview &, .rp-loading-threads & {
 			display: none;
 		}
 	}
@@ -709,6 +709,9 @@
 	.track-changes-marker {
 		border-radius: 0;
 		position: absolute;
+		.rp-loading-threads & {
+			display: none;
+		}
 	}
 
 	.track-changes-comment-marker {