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_26.txt

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