[v11.0.x] Dashboards: Change parseUrlParam to take timezone into account (#89837)

Dashboards: Change datemath parse logic so parsed dates always take timezone into account (#88182)

* Dashboards: Change datemath parse logic so parsed dates always take timezone into account

(cherry picked from commit 2e0175c3eb)

Co-authored-by: kay delaney <45561153+kaydelaney@users.noreply.github.com>

packages/grafana-data/src/datetime/datemath.ts

@@ -43,9 +43,11 @@ export function parse(
     if (isDateTime(text)) {
       return text;
     }
+
     if (isDate(text)) {
       return dateTime(text);
     }
+
     // We got some non string which is not a moment nor Date. TS should be able to check for that but not always.
     return undefined;
   } else {