Potential experiments

Merge remote-tracking branch 'origin/canary' into canary

fix(app): render the discovery language icon at bold weight (#1760)

fix(app): render the discovery language icon at bold weight

feat(app): add a language filter button to the discovery navbar (#1759)

feat(app): add a language filter button to the discovery navbar

feat(app): retry failed image loads with escalating delay and connectivity waits (#1758)

fix(app): keep embed icons mounted so they reserve space while loading (#1757)

fix(image): cropping image max scale Fixes: #675

Merge remote-tracking branch 'origin/canary' into canary

perf(app): load embed author and footer icons through the image cache (#1756)

feat(app): wrap pasted links in every composer that allows masked links (#1755)

fix(theme): account switcher theme leak Fixes: #674

Merge remote-tracking branch 'origin/canary' into canary

fix(voice): improvements to eligibility checks

Merge remote-tracking branch 'origin/canary' into canary

test: drop desktop test files that no runner executes (#1753)

fix(app): wrap pasted links from any source, not just Fluxer's own clipboard (#1752)

fix(desktop): repair a stale Linux .desktop entry instead of preserving it (#1751)

fix(desktop): pin Electron to 43.4.0 to restore KDE and XFCE tray icons (#1750)

fix(fluxer_markdown): do not require new line for table