Added button in settings to correct preview image extensions.

- Civitai in the past and present sends incorrect image extension information. (content type? content disposition?)

web/model-manager.css

@@ -628,6 +628,7 @@
 .model-manager .tag-generator-settings > div {
     display: flex;
     flex-direction: row;
+    flex-wrap: wrap;
     align-items: center;
     gap: 8px;
     margin: 16px 0;
@@ -635,7 +636,7 @@
 
 .model-manager .model-manager-settings button {
     height: 40px;
-    width: 120px;
+    min-width: 120px;
     justify-content: center;
 }