Showing correct icon on main table linked files column (#6264)

* Showing correct icon on main table linked files column

* Showing correct icon on both main table and linked files column

* Showing correct icon on both main table and linked file editor list

* delete the TODO comments

* add record in CHANGELOG.md

CHANGELOG.md

@@ -37,7 +37,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed an issue when importing into current library an erroneous message "import cancelled" is displayed even though import is successful. [#6266](https://github.com/JabRef/jabref/issues/6266)
 - We fixed an issue where custom jstyles for Open/LibreOffice where not saved correctly. [#6170](https://github.com/JabRef/jabref/issues/6170)
 - We fixed an issue where the INSPIRE fetcher was no longer working [#6229](https://github.com/JabRef/jabref/issues/6229)
-
+- We fixed the display of icon both in the main table and linked file editor. [#6169](https://github.com/JabRef/jabref/issues/6169)
 
 ### Removed
 

src/main/java/org/jabref/gui/externalfiletype/ExternalFileTypes.java

@@ -56,7 +56,7 @@ public Set<ExternalFileType> getExternalFileTypeSelection() {
      * @return The ExternalFileType registered, or null if none.
      */
     public Optional<ExternalFileType> getExternalFileTypeByName(String name) {
-        Optional<ExternalFileType> externalFileType = externalFileTypes.stream().filter(type -> type.getExtension().equals(name)).findFirst();
+        Optional<ExternalFileType> externalFileType = externalFileTypes.stream().filter(type -> type.getName().equals(name)).findFirst();
         if (externalFileType.isPresent()) {
             return externalFileType;
         }

src/main/java/org/jabref/gui/fieldeditors/LinkedFileViewModel.java

@@ -136,12 +136,10 @@ public Optional<Path> findIn(List<Path> directories) {
         return linkedFile.findIn(directories);
     }
 
-    /**
-     * TODO: Be a bit smarter and try to infer correct icon, for example using {@link
-     * org.jabref.gui.externalfiletype.ExternalFileTypes#getExternalFileTypeByName(String)}
-     */
     public JabRefIcon getTypeIcon() {
-        return IconTheme.JabRefIcons.PDF_FILE;
+        return externalFileTypes.fromLinkedFile(linkedFile, false)
+                                .map(ExternalFileType::getIcon)
+                                .orElse(IconTheme.JabRefIcons.FILE);
     }
 
     public void markAsAutomaticallyFound() {