Fix warnings in hs.dialog

[latenitefilms]

• Replaced setAllowedFileTypes with setAllowedContentTypes.

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[latenitefilms]

@cmsj - For some reason I can't set you as a reviewer in GitHub?

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View Test Results

2 tests   2 ✔️  0s ⏱️
2 suites  0 💤
1 files    0 ❌

Results for commit 353c7a7.

[latenitefilms]

Need to fix this before merging:

ERROR:   LuaSkin: hs.webview.usercontent callback: NSInvalidArgumentException: *** -[__NSArrayM insertObject:atIndex:]: object cannot be nil
(
	0   CoreFoundation                      0x000000018c22c570 __exceptionPreprocess + 176
	1   libobjc.A.dylib                     0x000000018bd1deb4 objc_exception_throw + 60
	2   CoreFoundation                      0x000000018c158584 -[__NSArrayM insertObject:atIndex:] + 1284
	3   libdialog.dylib                     0x0000000106fe1e10 chooseFileOrFolder + 292
	4   LuaSkin                             0x0000000104e732dc precallC + 132
	5   LuaSkin                             0x0000000104e734dc luaD_precall + 328
	6   LuaSkin                             0x0000000104e69f98 luaV_execute + 16536
	7   LuaSkin                             0x0000000104e73628 luaD_callnoyield + 96
	8   LuaSkin                             0x0000000104e5d728 luai_objcttry + 48
	9   LuaSkin                             0x0000000104e73bf4 luaD_pcall + 92
	10  LuaSkin                             0x0000000104e7851c lua_pcallk + 368
	11  LuaSkin                             0x0000000104e54004 -[LuaSkin protectedCallAndTraceback:nresults:] + 200
	12  LuaSkin                             0x0000000104e54094 -[LuaSkin protectedCallAndError:nargs:nresults:] + 60
	13  libwebviewusercontent.dylib         0x00000001071b6078 -[HSUserContentController userContentController:didReceiveScriptMessage:] + 248
	14  WebKit                              0x00000001af00cea0 _ZN28ScriptMessageHandlerDelegate14didPostMessageERN6WebKit12WebPageProxyEONS0_13FrameInfoDataERN3API12ContentWorldERN7WebCore21SerializedScriptValueE + 228
	15  WebKit                              0x00000001af4335d4 _ZN6WebKit29WebUserContentControllerProxy14didPostMessageEN3WTF23ObjectIdentifierGenericINS_26WebPageProxyIdentifierTypeENS1_38ObjectIdentifierMainThreadAccessTraitsEEEONS_13FrameInfoDataEyRKNSt3__14spanIKhLm18446744073709551615EEEONS1_17CompletionHandlerIFvOSB_RKNS1_6StringEEEE + 680
	16  WebKit                              0x00000001af7d1448 _ZN6WebKit29WebUserContentControllerProxy17didReceiveMessageERN3IPC10ConnectionERNS1_7DecoderE + 356
	17  WebKit                              0x00000001af7ea15c _ZN3IPC18MessageReceiverMap15dispatchMessageERNS_10ConnectionERNS_7DecoderE + 264
	18  WebKit                              0x00000001af39c50c _ZN6WebKit15WebProcessProxy17didReceiveMessageERN3IPC10ConnectionERNS1_7DecoderE + 40
	19  WebKit                              0x00000001af7e50e4 _ZN3IPC10Connection15dispatchMessageENSt3__110unique_ptrINS_7DecoderENS1_14default_deleteIS3_EEEE + 324
	20  WebKit                              0x00000001af7e5530 _ZN3IPC10Connection24dispatchIncomingMessagesEv + 496
	21  JavaScriptCore                      0x00000001a7fc9ad8 _ZN3WTF7RunLoop11performWorkEv + 204
	22  JavaScriptCore                      0x00000001a7fca9a8 _ZN3WTF7RunLoop11performWorkEPv + 36
	23  CoreFoundation                      0x000000018c1b7a4c __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 28
	24  CoreFoundation                      0x000000018c1b79e0 __CFRunLoopDoSource0 + 176
	25  CoreFoundation                      0x000000018c1b7750 __CFRunLoopDoSources0 + 244
	26  CoreFoundation                      0x000000018c1b6340 __CFRunLoopRun + 828
	27  CoreFoundation                      0x000000018c1b59ac CFRunLoopRunSpecific + 608
	28  HIToolbox                           0x0000000196764448 RunCurrentEventLoopInMode + 292
	29  HIToolbox                           0x00000001967640d8 ReceiveNextEventCommon + 220
	30  HIToolbox                           0x0000000196763fdc _BlockUntilNextEventMatchingListInModeWithFilter + 76
	31  AppKit                              0x000000018f9928a4 _DPSNextEvent + 660
	32  AppKit                              0x000000019016c980 -[NSApplication(NSEventRouting) _nextEventMatchingEventMask:untilDate:inMode:dequeue:] + 716
	33  AppKit                              0x000000018f985d50 -[NSApplication run] + 476
	34  AppKit                              0x000000018f95d014 NSApplicationMain + 880
	35  dyld                                0x000000018bd590e0 start + 2360