Tidy up white-space in ODR table

Remove redundant whitespace and change some spaces to use non-breaking
space instead.

open-data-resources.html

@@ -56,10 +56,10 @@ title: Open data resources
         endif %}
         <div class="tooltip-cont">
           <a href="{{ facility.odr.oai-pmh-endpoint.link }}?verb=Identify" class="trigger-tooltip">{%
-            if facility.odr.oai-pmh-endpoint.datasets %} Datasets: {{facility.odr.oai-pmh-endpoint.datasets.count | thousands_separated}}{%
+            if facility.odr.oai-pmh-endpoint.datasets %}Datasets:&nbsp;{{facility.odr.oai-pmh-endpoint.datasets.count | thousands_separated}}{%
               assign total_oai_pmh_dataset_count = total_oai_pmh_dataset_count | plus: facility.odr.pan-search-api.dataset_count %}{%
               if facility.odr.oai-pmh-endpoint.datasets.sets%}<br/>
-                  Categories: {{facility.odr.oai-pmh-endpoint.datasets.sets.count | thousands_separated}}{%
+                  Categories:&nbsp;{{facility.odr.oai-pmh-endpoint.datasets.sets.count | thousands_separated}}{%
               endif %}{%
             else %}{{ facility.odr.oai-pmh-endpoint.status }}{%
             endif %}</a>
@@ -76,7 +76,7 @@ title: Open data resources
         <div class="tooltip-cont">
           <a href="{{ facility.odr.pan-search-api.link }}/Datasets/count" class="trigger-tooltip">{%
             if facility.odr.pan-search-api.status == "Active"
-              %}Datasets: {{ facility.odr.pan-search-api.dataset_count | thousands_separated }}{%
+              %}Datasets:&nbsp;{{ facility.odr.pan-search-api.dataset_count | thousands_separated }}{%
               assign total_search_api_dataset_count = total_search_api_dataset_count | plus: facility.odr.pan-search-api.dataset_count %}{%
             elsif facility.odr.pan-search-api.status == "Error"
               %}Error{%