Fix text colour in Merge dialogue (#5521)

* Fix text colour in Merge dialogue

fixes: #5516

* Update changelog

fixes: #5516

* Fix changelog to use American spelling

Code review change

* Move CSS to Dark so that Light theme is not affected

* Fix color of radio button in merge dialog

CHANGELOG.md

@@ -53,6 +53,7 @@ We refer to [GitHub issues](https://github.com/JabRef/jabref/issues) by using `#
 - After successful import of one or multiple bib entries the main table scrolls to the first imported entry [#5383](https://github.com/JabRef/jabref/issues/5383)
 - We fixed an exception which occurred when an invalid jstyle was loaded. [#5452](https://github.com/JabRef/jabref/issues/5452)
 - We fixed an error where the preview theme did not adapt to the "Dark" mode [#5463](https://github.com/JabRef/jabref/issues/5463)
+- We fixed an issue where the merge dialog showed the wrong text colour in "Dark" mode [#5516](https://github.com/JabRef/jabref/issues/5516)
 
 ### Removed
 

src/main/java/org/jabref/gui/Dark.css

@@ -55,3 +55,12 @@
     background-color: #272b38; /* -fx-control-inner-background*/
     color : #7d8591; /* -fx-mid-text-color*/
 }
+
+.text-unchanged {
+    -fx-fill: -fx-light-text-color;
+}
+
+.radio-button > .radio {
+    -fx-background-color: -fx-light-text-color, -fx-control-inner-background;
+}
+

src/main/java/org/jabref/gui/mergeentries/MergeEntries.css

@@ -2,14 +2,11 @@
     -fx-fill: darkgreen;
 }
 
-.text-unchanged {
-
-}
-
 .text-added {
     -fx-fill: blue;
 }
 
 .text-removed {
     -fx-fill: red;
 }
+