Add testid on lang icons (#832)

* Add a test IDs on lang selector.

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Co-authored-by: HADJ-MASSOUD Amir (Externe) <[email protected]>

Author: AmirHdm

src/components/topBar/TopBar.tsx

@@ -544,20 +544,23 @@ export function TopBar({
                                                     value={LANG_SYSTEM}
                                                     aria-label={LANG_SYSTEM}
                                                     sx={styles.languageToggleButton}
+                                                    data-testid="LangSystem"
                                                 >
                                                     <ComputerIcon />
                                                 </ToggleButton>
                                                 <ToggleButton
                                                     value={LANG_ENGLISH}
                                                     aria-label={LANG_ENGLISH}
                                                     sx={styles.languageToggleButton}
+                                                    data-testid="LangEnglish"
                                                 >
                                                     EN
                                                 </ToggleButton>
                                                 <ToggleButton
                                                     value={LANG_FRENCH}
                                                     aria-label={LANG_FRENCH}
                                                     sx={styles.toggleButton}
+                                                    data-testid="LangFrench"
                                                 >
                                                     FR
                                                 </ToggleButton>