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_24.txt

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