File paths dynamic (#2605)

# Description

Please provide a summary of the changes, including relevant motivation
and context.

Closes #(issue_number)

## Checklist

- [ ] I have read the [Contribution
Guidelines](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/CONTRIBUTING.md)
- [ ] I have performed a self-review of my own code
- [ ] I have attached images of the change if it is UI based
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] If my code has heavily changed functionality I have updated
relevant docs on [Stirling-PDFs doc
repo](https://github.com/Stirling-Tools/Stirling-Tools.github.io/blob/main/docs/)
- [ ] My changes generate no new warnings
- [ ] I have read the section [Add New Translation
Tags](https://github.com/Stirling-Tools/Stirling-PDF/blob/main/HowToAddNewLanguage.md#add-new-translation-tags)
(for new translation tags only)

---------

Co-authored-by: pixeebot[bot] <104101892+pixeebot[bot]@users.noreply.github.com>
Co-authored-by: a <a>

src/main/java/stirling/software/SPDF/config/EndpointConfiguration.java

@@ -1,5 +1,6 @@
 package stirling.software.SPDF.config;
 
+import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
@@ -267,20 +268,26 @@ public class EndpointConfiguration {
     }
 
     private void processEnvironmentConfigs() {
-        List<String> endpointsToRemove = applicationProperties.getEndpoints().getToRemove();
-        List<String> groupsToRemove = applicationProperties.getEndpoints().getGroupsToRemove();
-        if (!bookAndHtmlFormatsInstalled) {
-            groupsToRemove.add("Calibre");
-        }
-        if (endpointsToRemove != null) {
-            for (String endpoint : endpointsToRemove) {
-                disableEndpoint(endpoint.trim());
-            }
-        }
+        if (applicationProperties != null && applicationProperties.getEndpoints() != null) {
+            List<String> endpointsToRemove = applicationProperties.getEndpoints().getToRemove();
+            List<String> groupsToRemove = applicationProperties.getEndpoints().getGroupsToRemove();
 
-        if (groupsToRemove != null) {
-            for (String group : groupsToRemove) {
-                disableGroup(group.trim());
+            if (!bookAndHtmlFormatsInstalled) {
+                if (groupsToRemove == null) {
+                    groupsToRemove = new ArrayList<>();
+                }
+                groupsToRemove.add("Calibre");
+            }
+            if (endpointsToRemove != null) {
+                for (String endpoint : endpointsToRemove) {
+                    disableEndpoint(endpoint.trim());
+                }
+            }
+
+            if (groupsToRemove != null) {
+                for (String group : groupsToRemove) {
+                    disableGroup(group.trim());
+                }
             }
         }
     }