Fix: Updated snapshot unit test that was failing

packages/grafana-ui/src/components/ThresholdsEditor/__snapshots__/ThresholdsEditor.test.tsx.snap

@@ -184,6 +184,7 @@ exports[`Render should render with base threshold 1`] = `
                             "spacing": Object {
                               "d": "14px",
                               "gutter": "30px",
+                              "insetSquishMd": "4px 8px",
                               "lg": "24px",
                               "md": "16px",
                               "sm": "8px",
@@ -341,6 +342,7 @@ exports[`Render should render with base threshold 1`] = `
                                   "spacing": Object {
                                     "d": "14px",
                                     "gutter": "30px",
+                                    "insetSquishMd": "4px 8px",
                                     "lg": "24px",
                                     "md": "16px",
                                     "sm": "8px",