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/hash/frame_14.txt

@@ -0,0 +1,17 @@
+                                      
+                 #****                
+                 #A--.*               
+                .-... .               
+                ..A.█-.#              
+                ...*   .              
+                .*..  █.              
+                .... . *              
+                ..*.-  *              
+                ....   █              
+                █-AA  *A              
+                *.██#.#.              
+                .*..---.              
+                A █.***-              
+                .*A*--A               
+                 -* █*A               
+