Fix visibility issues in catppuccin and catppuccin-latte skins

- Fixed invisible text in catppuccin-latte menu sections by adjusting background colors
- Fixed low contrast in catppuccin editor and diffviewer sections
- Addresses PR MidnightCommander#4775 review comments about non-contrast colors

Signed-off-by: Rafael Zago <rafaelvzago@gmail.com>

Author: rafaelvzago

misc/skins/catppuccin-latte.ini

@@ -78,16 +78,16 @@
     database = color210;
 
 [menu]
-    _default_ = color238;color69
-    menusel = color238;color255
-    menuhot = color172;color69
-    menuhotsel = color172;color255
-    menuinactive = color255;color69
+    _default_ = color238;color252
+    menusel = color255;color69
+    menuhot = color172;color252
+    menuhotsel = color172;color69
+    menuinactive = color245;color252
 
 [popupmenu]
-    _default_ = color238;color69
-    menusel = color172;color255
-    menutitle = color172;color69
+    _default_ = color238;color252
+    menusel = color255;color69
+    menutitle = color172;color252
 
 [buttonbar]
     hotkey = color238;color255

misc/skins/catppuccin.ini

@@ -110,7 +110,7 @@
     editmarked = color30;color189
     editwhitespace = color69;color234
     editnonprintable = ;color30
-    editlinestate = color238;color189
+    editlinestate = color189;color69
     bookmark = color189;color210
     bookmarkfound = color30;color151
     editrightmargin = color69;color30
@@ -127,7 +127,7 @@
     added = color189;color151
     changedline = color69;color189
     changednew = color210;color189
-    changed = color238;color189
+    changed = color189;color69
     removed = color189;color210
     error = color210;color250