Add TeamSelected component and update team selection logic

Introduces the TeamSelected component for displaying the current team. Updates PlanPanelLeft, HomePage, and PlanPage to support an isHomePage prop and refines team selection and upload handling. Also updates PlanPanelLefProps interface to include isHomePage.

Author: Fr4nc3

src/frontend/src/components/common/TeamSelected.tsx

@@ -0,0 +1,21 @@
+import { TeamConfig } from "@/models";
+import { Body1, Caption1 } from "@fluentui/react-components";
+
+export interface TeamSelectedProps {
+    selectedTeam?: TeamConfig | null;
+    styles: { [key: string]: string };
+}
+
+const TeamSelected: React.FC<TeamSelectedProps> = ({ selectedTeam, styles }) => {
+    return (
+        <div className={styles.teamSelectorContent}>
+            <Caption1 className={styles.currentTeamLabel}>
+                Current Team
+            </Caption1>
+            <Body1 className={styles.currentTeamName}>
+                {selectedTeam ? selectedTeam.name : 'No team selected'}
+            </Body1>
+        </div>
+    );
+}
+export default TeamSelected;