nntp groups won't show sender /participants addresses (myCardBookResult is undefined)

🐜 bug

summary

nntp groups won't whow sender address

screenshot

steps to reproduce the bug

1. install cardbook on new profile
2. add newsgroups account
3. read news messages

current behavior

the sender address column won't show these values

expected behavior

you can see the sender address (example: wich cardbook disabled)

my version numbers

• CardBook: 53.9
• Thunderbird: 78.4.3
• OS: Debian GNU Linux (64 bits)

Thunderbird console log

Uncaught TypeError: myCardBookResult is undefined
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
ovl_formatEmailCorrespondents.js:76:7
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
Uncaught TypeError: myCardBookResult is undefined
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
ovl_formatEmailCorrespondents.js:76:7
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
Uncaught TypeError: myCardBookResult is undefined
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
ovl_formatEmailCorrespondents.js:76:7
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
Uncaught TypeError: myCardBookResult is undefined
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
ovl_formatEmailCorrespondents.js:76:7
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
Uncaught TypeError: myCardBookResult is undefined
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
ovl_formatEmailCorrespondents.js:76:7
Uncaught TypeError: myCardBookResult is undefined
    getDisplayNameColumn chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:76
    getCellText chrome://cardbook/content/formatEmailCorrespondents/ovl_formatEmailCorrespondents.js:121
ovl_formatEmailCorrespondents.js:76:7
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