Update sanitizeForRedis to handle trailing spaces and extend dataset search integration tests

- Enhanced `sanitizeForRedis` to escape trailing spaces properly.
- Added test scenarios for datasets with tags containing spaces and special characters.

Author: jreynard-code

common/src/main/kotlin/com/cosmotech/common/utils/StringExtensions.kt

@@ -29,7 +29,7 @@ fun String.sanitizeForKubernetes(maxLength: Int = KUBERNETES_RESOURCE_NAME_MAX_L
 
 fun String.sanitizeForRedis(): String {
   var sanitizedString = this
-  ",./;'[]-=<>?:{}|_+!@#%^&*()`~"
+  ",./;'[]-=<>?:{}|_+!@#%^&*()`~ "
       .forEach { sanitizedString = sanitizedString.replace(it.toString(), "\\\\$it") }
   "\"$".forEach { sanitizedString = sanitizedString.replace(it.toString(), "\\\\\\${it}") }
   return sanitizedString

dataset/src/integrationTest/kotlin/com/cosmotech/dataset/service/DatasetServiceIntegrationTest.kt

@@ -1047,12 +1047,21 @@ class DatasetServiceIntegrationTest() : CsmTestBase() {
             tags = mutableListOf("dataset", "public", "other")),
         arrayOf())
 
+    datasetApiService.createDataset(
+        organizationSaved.id,
+        workspaceSaved.id,
+        DatasetCreateRequest(
+            name = "Another Dataset",
+            description = "Another Dataset ",
+            tags = mutableListOf("dataset", "public", "other with blankspace    12 34")),
+        arrayOf())
+
     val foundDatasets =
         datasetApiService.searchDatasets(
             organizationSaved.id,
             workspaceSaved.id,
             listOf(
-                "other",
+                "other with blankspace    12 34",
                 ",",
                 ".",
                 "/",