Handling an encoding date which can not be parsed about mediainfo

[a-mellor]

Example:

[3] pry(#<MediaInfo::Tracks>)> converted_xml.elements.each('//track') { |t| puts t }
<track type='General'>
<VideoCount>1</VideoCount>
<OtherCount>3</OtherCount>
<FileExtension>mxf</FileExtension>
<Format>MXF</Format>
<Format_Commercial_IfAny>XDCAM HD422</Format_Commercial_IfAny>
<Format_Version>1.3</Format_Version>
<Format_Profile>OP-1a</Format_Profile>
<Format_Settings>Closed / Complete</Format_Settings>
<FileSize>188166189</FileSize>
<Duration>30.000</Duration>
<OverallBitRate>50177650</OverallBitRate>
<FrameRate>25.000</FrameRate>
<FrameCount>750</FrameCount>
<StreamSize>7501</StreamSize>
<FooterSize>557</FooterSize>
<Encoded_Date>0-00-00 00:00:00.000</Encoded_Date>
<File_Modified_Date>UTC 2023-01-18 17:31:12</File_Modified_Date>
<File_Modified_Date_Local>2023-01-18 17:31:12</File_Modified_Date_Local>
<Encoded_Application_CompanyName>FFmpeg</Encoded_Application_CompanyName>
<Encoded_Application_Name>OP1a Muxer</Encoded_Application_Name>
<Encoded_Application_Version>58.24.100.0.0</Encoded_Application_Version>
<Encoded_Library_Version>58.24.100.0.0</Encoded_Library_Version>
</track>
<track type='Video'>
<ID>2</ID>
<Format>MPEG Video</Format>
<Format_Commercial_IfAny>XDCAM HD422</Format_Commercial_IfAny>
<Format_Version>2</Format_Version>
<Format_Profile>4:2:2</Format_Profile>
<Format_Level>Main</Format_Level>
<Format_Settings_BVOP>No</Format_Settings_BVOP>
<Format_Settings_Matrix>Default</Format_Settings_Matrix>
<Format_Settings_GOP>N=12</Format_Settings_GOP>
<Format_Settings_Wrapping>Frame (D-10)</Format_Settings_Wrapping>
<CodecID>0D01030102010101-0401020201020101</CodecID>
<Duration>30.000</Duration>
<BitRate_Mode>CBR</BitRate_Mode>
<BitRate>50000000</BitRate>
<Width>720</Width>
<Height>576</Height>
<Height_Offset>32</Height_Offset>
<Height_Original>608</Height_Original>
<Sampled_Width>720</Sampled_Width>
<Sampled_Height>608</Sampled_Height>
<PixelAspectRatio>1.000</PixelAspectRatio>
<PixelAspectRatio_Original>1.501</PixelAspectRatio_Original>
<DisplayAspectRatio>1.778</DisplayAspectRatio>
<FrameRate>25.000</FrameRate>
<FrameCount>750</FrameCount>
<Standard>PAL</Standard>
<ColorSpace>YUV</ColorSpace>
<ChromaSubsampling>4:2:2</ChromaSubsampling>
<BitDepth>8</BitDepth>
<ScanType>Progressive</ScanType>
<Compression_Mode>Lossy</Compression_Mode>
<Delay>0.000</Delay>
<Delay_Original>0.000</Delay_Original>
<TimeCode_FirstFrame>00:00:00:00</TimeCode_FirstFrame>
<TimeCode_Source>Group of pictures header</TimeCode_Source>
<Gop_OpenClosed>Open</Gop_OpenClosed>
<Gop_OpenClosed_FirstFrame>Closed</Gop_OpenClosed_FirstFrame>
<StreamSize>188158688</StreamSize>
<BufferSize>251904</BufferSize>
<colour_description_present>Yes</colour_description_present>
<colour_description_present_Source>Stream</colour_description_present_Source>
<colour_primaries>BT.709</colour_primaries>
<colour_primaries_Source>Stream</colour_primaries_Source>
<transfer_characteristics>BT.709</transfer_characteristics>
<transfer_characteristics_Source>Container / Stream</transfer_characteristics_Source>
<matrix_coefficients>BT.709</matrix_coefficients>
<matrix_coefficients_Source>Stream</matrix_coefficients_Source>
<extra>
<Delay_SDTI>0</Delay_SDTI>
<intra_dc_precision>8</intra_dc_precision>
</extra>
</track>
<track type='Other' typeorder='1'>
<ID>1-Material</ID>
<Type>Time code</Type>
<Format>MXF TC</Format>
<FrameRate>25.000</FrameRate>
<FrameCount>750</FrameCount>
<TimeCode_FirstFrame>00:00:00:00</TimeCode_FirstFrame>
<TimeCode_LastFrame>00:00:29:24</TimeCode_LastFrame>
<TimeCode_Settings>Material Package</TimeCode_Settings>
<TimeCode_Striped>Yes</TimeCode_Striped>
</track>
<track type='Other' typeorder='2'>
<ID>1-Source</ID>
<Type>Time code</Type>
<Format>MXF TC</Format>
<FrameRate>25.000</FrameRate>
<FrameCount>750</FrameCount>
<TimeCode_FirstFrame>00:00:00:00</TimeCode_FirstFrame>
<TimeCode_LastFrame>00:00:29:24</TimeCode_LastFrame>
<TimeCode_Settings>Source Package</TimeCode_Settings>
<TimeCode_Striped>Yes</TimeCode_Striped>
</track>
<track type='Other' typeorder='3'>
<Type>Time code</Type>
<Format>SMPTE TC</Format>
<MuxingMode>SDTI</MuxingMode>
<FrameRate>25.000</FrameRate>
<TimeCode_FirstFrame>00:00:00:00</TimeCode_FirstFrame>
</track>