Fix Firefox inline button spacing: replace  with {' '} proper space

Agent-Logs-Url: https://github.com/MobilityData/mobilitydatabase-web/sessions/08c20f63-9eb3-4bd5-899e-6fba366f1dd9

Co-authored-by: Alessandro100 <18631060+Alessandro100@users.noreply.github.com>

Author: Copilot

src/app/[locale]/about/components/AboutPage.tsx

@@ -46,7 +46,7 @@ export default async function AboutPage(): Promise<ReactElement> {
           {t('whyUseAnswer')}
           <br /> <br />
           In addition to our database, we develop and maintain other tools that
-          integrate with it such as&#20;
+          integrate with it such as{' '}
           <Button
             variant='text'
             className='line-start inline'
@@ -57,7 +57,7 @@ export default async function AboutPage(): Promise<ReactElement> {
           >
             {t('gtfsValidator')}
           </Button>
-          and&#20;
+          and{' '}
           <Button
             variant='text'
             className='line-start inline'

src/app/screens/FAQ.tsx

@@ -50,7 +50,7 @@ export default function FAQ(): React.ReactElement {
           Who can use the Mobility Database?
         </Typography>
         <Typography className='answer'>
-          Everyone has free access to the Mobility Database. However, to&#20;
+          Everyone has free access to the Mobility Database. However, to{' '}
           <Button
             variant='text'
             className='line-start inline'
@@ -59,7 +59,7 @@ export default function FAQ(): React.ReactElement {
           >
             add a feed
           </Button>
-          or&#20;
+          or{' '}
           <Button
             variant='text'
             className='line-start inline'
@@ -69,7 +69,7 @@ export default function FAQ(): React.ReactElement {
           >
             use our API
           </Button>
-          you’ll need to&#20;
+          you’ll need to{' '}
           <Button
             variant='text'
             className='line-start inline'
@@ -114,7 +114,7 @@ export default function FAQ(): React.ReactElement {
           updates using the URL provided by the producer upon uploading. If we
           detect a change, we add the new feed version automatically.
           <br /> <br />
-          For GBFS feeds, we do an additional sync any time a change to the&#20;
+          For GBFS feeds, we do an additional sync any time a change to the{' '}
           <Button
             variant='text'
             className='line-start inline'
@@ -165,7 +165,7 @@ export default function FAQ(): React.ReactElement {
           expires.
           <br /> <br />
           Detailed instructions for installing and implementing our API can be
-          found on&#20;
+          found on{' '}
           <Button
             variant='text'
             className='inline line-start'
@@ -178,7 +178,7 @@ export default function FAQ(): React.ReactElement {
             Swagger.
           </Button>
           In addition to searching the database or using our API to pull data,
-          you’re able to&#20;
+          you’re able to{' '}
           <Button
             variant='text'
             className='inline line-start'
@@ -190,7 +190,7 @@ export default function FAQ(): React.ReactElement {
             download GTFS and GTFS Realtime feeds via the spreadsheet here
           </Button>
           <br /> <br />
-          GBFS feeds can be downloaded via a spreadsheet with the&#20;
+          GBFS feeds can be downloaded via a spreadsheet with the{' '}
           <Button
             variant='text'
             className='line-start inline'

src/app/screens/FeedSubmission/index.tsx

@@ -70,7 +70,7 @@ function Component(): React.ReactElement {
                 </Button>
                 <br /> <br />
                 Want to submit a GBFS feed to the Mobility Database? Contribute
-                through the&#20;
+                through the{' '}
                 <Button
                   variant='text'
                   className='line-start inline'