[Glitch] Remove hardcoded width from dropdown overlays

Port f4a6365f55 to glitch-soc

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

app/javascript/flavours/glitch/features/compose/components/dropdown.js

@@ -221,7 +221,7 @@ export default class ComposerOptionsDropdown extends React.PureComponent {
           popperConfig={{ strategy: 'fixed', onFirstUpdate: this.handleOverlayEnter }}
         >
           {({ props, placement }) => (
-            <div {...props} style={{ ...props.style, width: 350, maxWidth: '100vw' }}>
+            <div {...props}>
               <div className={`dropdown-animation privacy-dropdown__dropdown ${placement}`}>
                 <DropdownMenu
                   items={items}

app/javascript/flavours/glitch/features/compose/components/language_dropdown.js

@@ -307,7 +307,7 @@ class LanguageDropdown extends React.PureComponent {
 
         <Overlay show={open} placement={'bottom'} flip target={this.findTarget} popperConfig={{ strategy: 'fixed', onFirstUpdate: this.handleOverlayEnter }}>
           {({ props, placement }) => (
-            <div {...props} style={{ ...props.style, width: 280 }}>
+            <div {...props}>
               <div className={`dropdown-animation language-dropdown__dropdown ${placement}`} >
                 <LanguageDropdownMenu
                   value={value}

app/javascript/flavours/glitch/styles/components/emoji.scss

@@ -13,7 +13,7 @@
 
 .emoji-picker-dropdown__menu {
   background: $simple-background-color;
-  position: absolute;
+  position: relative;
   box-shadow: 4px 4px 6px rgba($base-shadow-color, 0.4);
   border-radius: 4px;
   margin-top: 5px;