Fix MNTM-DEV git hash formatting (#104)

* Fix max length of git hash

* Fix editor auto-reformat that causes it to fail lint

* Found it...

* Revert "Found it..."

This reverts commit c7cb790.

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Co-authored-by: Willy-JL <49810075+Willy-JL@users.noreply.github.com>

applications/main/momentum_app/momentum_app.c

@@ -328,7 +328,8 @@ MomentumApp* momentum_app_alloc() {
     if(furi_string_start_with(app->version_tag, "mntm-dev")) {
         furi_string_set(app->version_tag, "MNTM-DEV  ");
         const char* sha = version_get_githash(NULL);
-        for(size_t i = 0; i < strlen(sha); ++i) {
+        const uint8_t sha_len = strlen(sha) <= 7 ? strlen(sha) : 7;
+        for(size_t i = 0; i < sha_len; ++i) {
             furi_string_push_back(app->version_tag, toupper(sha[i]));
         }
     } else {