[FIX] web: removed extra space from graph

- when refresh a kanban dashboard page which contains graph, there is some extra div appends to the graph.
- so if svg is there in the dom, no need to append it again. simply use the existing svg

Related to Issue: 1943483

closes odoo/odoo#32279

Signed-off-by: VincentSchippefilt <VincentSchippefilt@users.noreply.github.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/addons/web/static/src/js/fields/basic_fields.js b/addons/web/static/src/js/fields/basic_fields.js
index ad818146a21..93e044663a8 100644
--- a/addons/web/static/src/js/fields/basic_fields.js
+++ b/addons/web/static/src/js/fields/basic_fields.js
@@ -2582,7 +2582,7 @@ var JournalDashboardGraph = AbstractField.extend({
         this.$el.empty();
         this.chart = null;
         nv.addGraph(function () {
-            self.$svg = self.$el.append('<svg>');
+            self.$svg = self.$el.find('svg').length ? self.$el.find('svg') : self.$el.append('<svg>');
             switch (self.graph_type) {
                 case "line":
                     self.$svg.addClass('o_graph_linechart');