Change animation frames (#3627)

## Description
- Changes animation frames to be smaller
- Cleans up file names and popup logic

## tests
- Passes local CI

codex-rs/tui/frames/codex/frame_32.txt

@@ -0,0 +1,17 @@
+                                      
+                occccddxoe            
+              dcxccxexxccxxo          
+            oecdeocedoecxcecco        
+           cooxeoedo o oeexco o       
+          ooxoxceccxd ceoxeoeceo      
+          eoeeoecxedxxce   xco c      
+         cxcdoecexxooxodeoeooxce      
+         xxxoe  cexxcocxdoecexcce     
+         exxoe cexceexcccxxxdxcde     
+         ccceexceceeeeeexxcxdxoe      
+           oecxxo xccccccedooooo      
+           eoxeee        oexocx       
+           cccxxxce    eoexo o        
+             eoecxcxddceecceo         
+               xddeeococecc           
+                   eee