[Glitch] Add stricter ESLint rules for Typescript files

Port 5eeb40bdbe to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/is_mobile.ts

@@ -1,4 +1,5 @@
 import { supportsPassiveEvents } from 'detect-passive-events';
+
 import { forceSingleColumn } from 'flavours/glitch/initial_state';
 
 const LAYOUT_BREAKPOINT = 630;