Request comment positions when zooming/view reset

The twips coordinates sent by core in CommentsPos message are already
correct w.r.t zoom level (See ScModelObj::getPostItsPos() in core.git).
In addition these values are view specific (each client user).

Change-Id: I18c2971f34362de0eba5181f9dbe3e662c223575
Reviewed-on: https://gerrit.libreoffice.org/c/online/+/86986
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>

loleaflet/src/layer/tile/CalcTileLayer.js

@@ -577,6 +577,7 @@ L.CalcTileLayer = L.TileLayer.extend({
 		this._sendClientZoom();
 		// TODO: test it!
 		this._map.fire('updaterowcolumnheaders');
+		this._map._socket.sendMessage('commandvalues command=.uno:ViewAnnotationsPosition');
 	},
 
 	_onUpdateCurrentHeader: function() {

loleaflet/src/layer/tile/GridLayer.js

@@ -322,6 +322,9 @@ L.GridLayer = L.Layer.extend({
 
 	_viewReset: function (e) {
 		this._reset(this._map.getCenter(), this._map.getZoom(), e && e.hard);
+		if (this._docType === 'spreadsheet' && this._annotations !== 'undefined') {
+			this._map._socket.sendMessage('commandvalues command=.uno:ViewAnnotationsPosition');
+		}
 	},
 
 	_animateZoom: function (e) {