fix(notebooks): strip whitespace from secret inputs

Author: henrikvalv3

places_insights/notebooks/custom_location_scores/places_insights_custom_location_scores.ipynb

@@ -150,8 +150,8 @@
         "\n",
         "# 1. Retrieve Secrets\n",
         "try:\n",
-        "    GCP_PROJECT_ID = userdata.get('GCP_PROJECT_ID')\n",
-        "    GMP_API_KEY = userdata.get('GMP_API_KEY')\n",
+        "    GCP_PROJECT_ID = userdata.get('GCP_PROJECT_ID').strip()\n",
+        "    GMP_API_KEY = userdata.get('GMP_API_KEY').strip()\n",
         "    print(f\"✅ Secrets retrieved for project: {GCP_PROJECT_ID}\")\n",
         "except userdata.SecretNotFoundError as e:\n",
         "    raise ValueError(\"Missing Secrets! Please add 'GCP_PROJECT' and 'GMP_API_KEY' to Colab Secrets.\") from e\n",
@@ -474,7 +474,6 @@
         ")\n",
         "\n",
         "# 3. Create Custom Legend HTML\n",
-        "# Positioned at Bottom-Right to avoid the Google Logo at Bottom-Left.\n",
         "legend_html = '''\n",
         "     <div style=\"position: fixed; bottom: 50px; right: 50px; width: 180px; height: 110px;\n",
         "     border:2px solid grey; z-index:9999; font-size:14px; background-color:white; opacity:0.9; padding: 10px; font-family: sans-serif;\">\n",