Hey, I meant of this part of the quoted message above,
which produces
user@disp5812:~$ sudo apt install --no-install-recommends signal-desktop
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
The following additional packages will be installed:
libnspr4 libnss3 libxss1 libxtst6
Recommended packages:
libappindicator3-1
The following NEW packages will be installed:
libnspr4 libnss3 libxss1 libxtst6 signal-desktop
0 upgraded, 5 newly installed, 0 to remove and 20 not upgraded.
Need to get 122 MB of archives.
After this operation, 426 MB of additional disk space will be used.
Do you want to continue? [Y/n]
And I meant on not increasing attack surface unnecessarily, not to minimize install footprint.