ensure reload of search index after exiting mini attract mode

fixes https://github.com/a2-4am/4cade/issues/430

src/ui.attract.mode.a

@@ -65,7 +65,7 @@ MegaAttractMode
 ; in:    gGameToLaunch = index in gSearchStore (word)
 ;        gSearchStore populated
 ; out:   all flags and registers clobbered
-;        assume all of main memory has been clobbered
+;        assume all of main memory has been clobbered (including gSearchStore)
 ;------------------------------------------------------------------------------
 MiniAttractMode
          jsr   GetGameToLaunch

src/ui.browse.mode.a

@@ -96,6 +96,9 @@ OnBrowseCheat
 
 OnBrowseTab
          jsr   MiniAttractMode
+         pha                         ; must reload search index before calling either
+         jsr   ReloadSearchIndex     ; PlayGame or LoadGameTitleOffscreen, because
+         pla                         ; mini attract mode may have clobbered all of main memory
          cmp   #$8D
          beq   OnBrowseLaunch
          ; execution falls through here
@@ -104,6 +107,7 @@ ForceBrowseChanged
          ; execution falls through here
 OnBrowseChanged
 ; in:    gGameToLaunch = game index (word)
+;        gSearchStore populated
          jsr   SwitchToBank2
          jsr   EnableAcceleratorAndSwitchToBank1
          jsr   LoadGameTitleOffscreen

src/ui.search.mode.a

@@ -162,7 +162,8 @@ OnTab
          jsr   MiniAttractMode
          cmp   #$8D                  ; if we exited mini attract mode
          bne   .req_redraw           ; by pressing Enter, launch the game
-
+         jsr   ReloadSearchIndex     ; must reload search index before calling PlayGame
+         ; /!\ execution falls through here
 OnLaunch
          ldx   gGameToLaunch+1
          inx
@@ -170,7 +171,7 @@ OnLaunch
          jsr   PlayGame
 
 .req_redraw
-         sec                         ; tell caller to redraw UI
+         sec                         ; tell caller to reload search index and redraw UI from scratch
          rts
 
 OnCheat