Fixed: Increase width and truncate long titles on Import List Exclusions

Closes #6779

(cherry picked from commit 2d0541c03b761a0ec5e10711d6bd577e07141517)

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusion.css

@@ -8,12 +8,14 @@
 }
 
 .movieTitle {
-  flex: 0 0 400px;
+  @add-mixin truncate;
+
+  flex: 0 0 600px;
 }
 
 .tmdbId,
 .movieYear {
-  flex: 0 0 200px;
+  flex: 0 0 70px;
 }
 
 .actions {

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusions.css

@@ -1,16 +1,16 @@
-.importExclusionsHeader {
+.importListExclusionsHeader {
   display: flex;
   margin-bottom: 10px;
   font-weight: bold;
 }
 
 .title {
-  flex: 0 0 400px;
+  flex: 0 0 600px;
 }
 
 .tmdbId,
 .movieYear {
-  flex: 0 0 200px;
+  flex: 0 0 70px;
 }
 
 .addImportExclusion {

frontend/src/Settings/ImportLists/ImportListExclusions/ImportListExclusions.js

@@ -50,7 +50,7 @@ class ImportListExclusions extends Component {
           errorMessage={translate('UnableToLoadListExclusions')}
           {...otherProps}
         >
-          <div className={styles.importExclusionsHeader}>
+          <div className={styles.importListExclusionsHeader}>
             <div className={styles.tmdbId}>TMDB Id</div>
             <div className={styles.title}>Title</div>
             <div className={styles.movieYear}>Year</div>