Make dim theme dim (#2966)

* Make dim color scheme dim

* Tweaks

* Overall tweaks

* We have to go darker

* Tweak saturation of blues in dim

* Increase contrast on dark-dark mode

* adjust dim

---------

Co-authored-by: Eric Bailey <git@esb.lol>
Co-authored-by: Paul Frazee <pfrazee@gmail.com>
Co-authored-by: Hailey <me@haileyok.com>

src/view/com/post-thread/PostThreadItem.tsx

@@ -449,7 +449,7 @@ let PostThreadItemLoaded = ({
                       styles.replyLine,
                       {
                         flexGrow: 1,
-                        backgroundColor: pal.colors.border,
+                        backgroundColor: pal.colors.replyLine,
                         marginBottom: 4,
                       },
                     ]}
@@ -487,7 +487,7 @@ let PostThreadItemLoaded = ({
                         styles.replyLine,
                         {
                           flexGrow: 1,
-                          backgroundColor: pal.colors.border,
+                          backgroundColor: pal.colors.replyLine,
                           marginTop: 4,
                         },
                       ]}